Home / 7,575.05-11,366.31-3,417.95

Finding the Fourth Proportional to 7,575.05, 11,366.31 and 3,417.95

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Solution

The fourth proportional to 7,575.05, 11,366.31 and 3,417.95 is: 5,128.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,575.05 : 11,366.31 = 3,417.95 : x
  2. Step 2: Convert to fraction form
    7,575.05/11,366.31 = 3,417.95/x
  3. Step 3: Cross multiply
    7,575.05x = 11,366.31 × 3,417.95
  4. Step 4: Simplify right side
    7,575.05x = 38,849,422.43
  5. Step 5: Solve for x
    x = 38,849,422.43/7,575.05
  6. Step 6: Final answer
    x = 5,128.61

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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.