Home / 5,535.96-7,639.31-3,177.95

Finding the Fourth Proportional to 5,535.96, 7,639.31 and 3,177.95

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Solution

The fourth proportional to 5,535.96, 7,639.31 and 3,177.95 is: 4,385.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,535.96 : 7,639.31 = 3,177.95 : x
  2. Step 2: Convert to fraction form
    5,535.96/7,639.31 = 3,177.95/x
  3. Step 3: Cross multiply
    5,535.96x = 7,639.31 × 3,177.95
  4. Step 4: Simplify right side
    5,535.96x = 24,277,291.13
  5. Step 5: Solve for x
    x = 24,277,291.13/5,535.96
  6. Step 6: Final answer
    x = 4,385.38

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Half scale
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Double 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.