Home / 5,488.61-7,566.36-3,913.97

Finding the Fourth Proportional to 5,488.61, 7,566.36 and 3,913.97

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Solution

The fourth proportional to 5,488.61, 7,566.36 and 3,913.97 is: 5,395.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488.61 : 7,566.36 = 3,913.97 : x
  2. Step 2: Convert to fraction form
    5,488.61/7,566.36 = 3,913.97/x
  3. Step 3: Cross multiply
    5,488.61x = 7,566.36 × 3,913.97
  4. Step 4: Simplify right side
    5,488.61x = 29,614,518.12
  5. Step 5: Solve for x
    x = 29,614,518.12/5,488.61
  6. Step 6: Final answer
    x = 5,395.63

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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.