Home / 10,429.17-15,643.61-2,531.75

Finding the Fourth Proportional to 10,429.17, 15,643.61 and 2,531.75

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Solution

The fourth proportional to 10,429.17, 15,643.61 and 2,531.75 is: 3,797.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429.17 : 15,643.61 = 2,531.75 : x
  2. Step 2: Convert to fraction form
    10,429.17/15,643.61 = 2,531.75/x
  3. Step 3: Cross multiply
    10,429.17x = 15,643.61 × 2,531.75
  4. Step 4: Simplify right side
    10,429.17x = 39,605,628.23
  5. Step 5: Solve for x
    x = 39,605,628.23/10,429.17
  6. Step 6: Final answer
    x = 3,797.58

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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.