Home / 5,429.90-7,496.75-3,731.23

Finding the Fourth Proportional to 5,429.90, 7,496.75 and 3,731.23

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Solution

The fourth proportional to 5,429.90, 7,496.75 and 3,731.23 is: 5,151.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.90 : 7,496.75 = 3,731.23 : x
  2. Step 2: Convert to fraction form
    5,429.90/7,496.75 = 3,731.23/x
  3. Step 3: Cross multiply
    5,429.90x = 7,496.75 × 3,731.23
  4. Step 4: Simplify right side
    5,429.90x = 27,972,117.20
  5. Step 5: Solve for x
    x = 27,972,117.20/5,429.90
  6. Step 6: Final answer
    x = 5,151.50

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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.