Home / 10,358.90-15,538.34-2,567.71

Finding the Fourth Proportional to 10,358.90, 15,538.34 and 2,567.71

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Solution

The fourth proportional to 10,358.90, 15,538.34 and 2,567.71 is: 3,851.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358.90 : 15,538.34 = 2,567.71 : x
  2. Step 2: Convert to fraction form
    10,358.90/15,538.34 = 2,567.71/x
  3. Step 3: Cross multiply
    10,358.90x = 15,538.34 × 2,567.71
  4. Step 4: Simplify right side
    10,358.90x = 39,897,976.84
  5. Step 5: Solve for x
    x = 39,897,976.84/10,358.90
  6. Step 6: Final answer
    x = 3,851.57

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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.