Home / 7,390.17-11,087.28-3,687.93

Finding the Fourth Proportional to 7,390.17, 11,087.28 and 3,687.93

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Solution

The fourth proportional to 7,390.17, 11,087.28 and 3,687.93 is: 5,532.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.17 : 11,087.28 = 3,687.93 : x
  2. Step 2: Convert to fraction form
    7,390.17/11,087.28 = 3,687.93/x
  3. Step 3: Cross multiply
    7,390.17x = 11,087.28 × 3,687.93
  4. Step 4: Simplify right side
    7,390.17x = 40,889,112.53
  5. Step 5: Solve for x
    x = 40,889,112.53/7,390.17
  6. Step 6: Final answer
    x = 5,532.91

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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.