Home / 6,130.19-8,459.34-3,478.45

Finding the Fourth Proportional to 6,130.19, 8,459.34 and 3,478.45

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Solution

The fourth proportional to 6,130.19, 8,459.34 and 3,478.45 is: 4,800.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,130.19 : 8,459.34 = 3,478.45 : x
  2. Step 2: Convert to fraction form
    6,130.19/8,459.34 = 3,478.45/x
  3. Step 3: Cross multiply
    6,130.19x = 8,459.34 × 3,478.45
  4. Step 4: Simplify right side
    6,130.19x = 29,425,348.93
  5. Step 5: Solve for x
    x = 29,425,348.93/6,130.19
  6. Step 6: Final answer
    x = 4,800.08

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Half scale
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Double scale
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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.