Home / 10,292.56-15,439.67-2,897.61

Finding the Fourth Proportional to 10,292.56, 15,439.67 and 2,897.61

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Solution

The fourth proportional to 10,292.56, 15,439.67 and 2,897.61 is: 4,346.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,292.56 : 15,439.67 = 2,897.61 : x
  2. Step 2: Convert to fraction form
    10,292.56/15,439.67 = 2,897.61/x
  3. Step 3: Cross multiply
    10,292.56x = 15,439.67 × 2,897.61
  4. Step 4: Simplify right side
    10,292.56x = 44,738,127.70
  5. Step 5: Solve for x
    x = 44,738,127.70/10,292.56
  6. Step 6: Final answer
    x = 4,346.65

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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.