Home / 10,388.46-15,582.72-2,597.27

Finding the Fourth Proportional to 10,388.46, 15,582.72 and 2,597.27

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Solution

The fourth proportional to 10,388.46, 15,582.72 and 2,597.27 is: 3,895.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,388.46 : 15,582.72 = 2,597.27 : x
  2. Step 2: Convert to fraction form
    10,388.46/15,582.72 = 2,597.27/x
  3. Step 3: Cross multiply
    10,388.46x = 15,582.72 × 2,597.27
  4. Step 4: Simplify right side
    10,388.46x = 40,472,531.17
  5. Step 5: Solve for x
    x = 40,472,531.17/10,388.46
  6. Step 6: Final answer
    x = 3,895.91

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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.