Home / 6,119.62-8,432.05-4,126.71

Finding the Fourth Proportional to 6,119.62, 8,432.05 and 4,126.71

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Solution

The fourth proportional to 6,119.62, 8,432.05 and 4,126.71 is: 5,686.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,119.62 : 8,432.05 = 4,126.71 : x
  2. Step 2: Convert to fraction form
    6,119.62/8,432.05 = 4,126.71/x
  3. Step 3: Cross multiply
    6,119.62x = 8,432.05 × 4,126.71
  4. Step 4: Simplify right side
    6,119.62x = 34,796,654.10
  5. Step 5: Solve for x
    x = 34,796,654.10/6,119.62
  6. Step 6: Final answer
    x = 5,686.08

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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.