Home / 5,488.43-7,574.31-3,130.52

Finding the Fourth Proportional to 5,488.43, 7,574.31 and 3,130.52

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Solution

The fourth proportional to 5,488.43, 7,574.31 and 3,130.52 is: 4,320.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488.43 : 7,574.31 = 3,130.52 : x
  2. Step 2: Convert to fraction form
    5,488.43/7,574.31 = 3,130.52/x
  3. Step 3: Cross multiply
    5,488.43x = 7,574.31 × 3,130.52
  4. Step 4: Simplify right side
    5,488.43x = 23,711,491.07
  5. Step 5: Solve for x
    x = 23,711,491.07/5,488.43
  6. Step 6: Final answer
    x = 4,320.27

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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.