Home / 5,360.31-7,393.28-3,681.99

Finding the Fourth Proportional to 5,360.31, 7,393.28 and 3,681.99

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Solution

The fourth proportional to 5,360.31, 7,393.28 and 3,681.99 is: 5,078.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360.31 : 7,393.28 = 3,681.99 : x
  2. Step 2: Convert to fraction form
    5,360.31/7,393.28 = 3,681.99/x
  3. Step 3: Cross multiply
    5,360.31x = 7,393.28 × 3,681.99
  4. Step 4: Simplify right side
    5,360.31x = 27,221,964.62
  5. Step 5: Solve for x
    x = 27,221,964.62/5,360.31
  6. Step 6: Final answer
    x = 5,078.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.