Home / 5,140.08-7,712.18-3,061.07

Finding the Fourth Proportional to 5,140.08, 7,712.18 and 3,061.07

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Solution

The fourth proportional to 5,140.08, 7,712.18 and 3,061.07 is: 4,592.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.08 : 7,712.18 = 3,061.07 : x
  2. Step 2: Convert to fraction form
    5,140.08/7,712.18 = 3,061.07/x
  3. Step 3: Cross multiply
    5,140.08x = 7,712.18 × 3,061.07
  4. Step 4: Simplify right side
    5,140.08x = 23,607,522.83
  5. Step 5: Solve for x
    x = 23,607,522.83/5,140.08
  6. Step 6: Final answer
    x = 4,592.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.