Home / 5,508.28-7,601.48-3,118.38

Finding the Fourth Proportional to 5,508.28, 7,601.48 and 3,118.38

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Solution

The fourth proportional to 5,508.28, 7,601.48 and 3,118.38 is: 4,303.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,508.28 : 7,601.48 = 3,118.38 : x
  2. Step 2: Convert to fraction form
    5,508.28/7,601.48 = 3,118.38/x
  3. Step 3: Cross multiply
    5,508.28x = 7,601.48 × 3,118.38
  4. Step 4: Simplify right side
    5,508.28x = 23,704,303.20
  5. Step 5: Solve for x
    x = 23,704,303.20/5,508.28
  6. Step 6: Final answer
    x = 4,303.39

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Half scale
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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.