Home / 5,488.43-7,574.84-3,098.63

Finding the Fourth Proportional to 5,488.43, 7,574.84 and 3,098.63

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Solution

The fourth proportional to 5,488.43, 7,574.84 and 3,098.63 is: 4,276.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488.43 : 7,574.84 = 3,098.63 : x
  2. Step 2: Convert to fraction form
    5,488.43/7,574.84 = 3,098.63/x
  3. Step 3: Cross multiply
    5,488.43x = 7,574.84 × 3,098.63
  4. Step 4: Simplify right side
    5,488.43x = 23,471,626.47
  5. Step 5: Solve for x
    x = 23,471,626.47/5,488.43
  6. Step 6: Final answer
    x = 4,276.56

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1.5x scale

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.