Home / 5,237.20-7,227.48-3,248.74

Finding the Fourth Proportional to 5,237.20, 7,227.48 and 3,248.74

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Solution

The fourth proportional to 5,237.20, 7,227.48 and 3,248.74 is: 4,483.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.20 : 7,227.48 = 3,248.74 : x
  2. Step 2: Convert to fraction form
    5,237.20/7,227.48 = 3,248.74/x
  3. Step 3: Cross multiply
    5,237.20x = 7,227.48 × 3,248.74
  4. Step 4: Simplify right side
    5,237.20x = 23,480,203.38
  5. Step 5: Solve for x
    x = 23,480,203.38/5,237.20
  6. Step 6: Final answer
    x = 4,483.35

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Half scale
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Double scale
Find fourth proportional to 5,238.20, 7,228.86 and 3,249.74
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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.