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Finding the Fourth Proportional to 4,186.84, 5,777.84 and 2,323.84

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Solution

The fourth proportional to 4,186.84, 5,777.84 and 2,323.84 is: 3,206.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.84 : 5,777.84 = 2,323.84 : x
  2. Step 2: Convert to fraction form
    4,186.84/5,777.84 = 2,323.84/x
  3. Step 3: Cross multiply
    4,186.84x = 5,777.84 × 2,323.84
  4. Step 4: Simplify right side
    4,186.84x = 13,426,775.71
  5. Step 5: Solve for x
    x = 13,426,775.71/4,186.84
  6. Step 6: Final answer
    x = 3,206.90

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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.