Home / 9,159.87-13,740.08-2,585.37

Finding the Fourth Proportional to 9,159.87, 13,740.08 and 2,585.37

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Solution

The fourth proportional to 9,159.87, 13,740.08 and 2,585.37 is: 3,878.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,159.87 : 13,740.08 = 2,585.37 : x
  2. Step 2: Convert to fraction form
    9,159.87/13,740.08 = 2,585.37/x
  3. Step 3: Cross multiply
    9,159.87x = 13,740.08 × 2,585.37
  4. Step 4: Simplify right side
    9,159.87x = 35,523,177.70
  5. Step 5: Solve for x
    x = 35,523,177.70/9,159.87
  6. Step 6: Final answer
    x = 3,878.13

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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.