Home / 5,767.47-7,960.68-4,089.15

Finding the Fourth Proportional to 5,767.47, 7,960.68 and 4,089.15

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Solution

The fourth proportional to 5,767.47, 7,960.68 and 4,089.15 is: 5,644.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,767.47 : 7,960.68 = 4,089.15 : x
  2. Step 2: Convert to fraction form
    5,767.47/7,960.68 = 4,089.15/x
  3. Step 3: Cross multiply
    5,767.47x = 7,960.68 × 4,089.15
  4. Step 4: Simplify right side
    5,767.47x = 32,552,414.62
  5. Step 5: Solve for x
    x = 32,552,414.62/5,767.47
  6. Step 6: Final answer
    x = 5,644.14

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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.