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Finding the Fourth Proportional to 3,658.84, 5,050.10 and 2,260.76

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Solution

The fourth proportional to 3,658.84, 5,050.10 and 2,260.76 is: 3,120.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,658.84 : 5,050.10 = 2,260.76 : x
  2. Step 2: Convert to fraction form
    3,658.84/5,050.10 = 2,260.76/x
  3. Step 3: Cross multiply
    3,658.84x = 5,050.10 × 2,260.76
  4. Step 4: Simplify right side
    3,658.84x = 11,417,064.08
  5. Step 5: Solve for x
    x = 11,417,064.08/3,658.84
  6. Step 6: Final answer
    x = 3,120.41

Related Problems

Find fourth proportional to 1,829.42, 2,525.05 and 1,130.38
Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.