Home / 5,249.79-7,238.88-3,572.19

Finding the Fourth Proportional to 5,249.79, 7,238.88 and 3,572.19

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Solution

The fourth proportional to 5,249.79, 7,238.88 and 3,572.19 is: 4,925.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,249.79 : 7,238.88 = 3,572.19 : x
  2. Step 2: Convert to fraction form
    5,249.79/7,238.88 = 3,572.19/x
  3. Step 3: Cross multiply
    5,249.79x = 7,238.88 × 3,572.19
  4. Step 4: Simplify right side
    5,249.79x = 25,858,654.75
  5. Step 5: Solve for x
    x = 25,858,654.75/5,249.79
  6. Step 6: Final answer
    x = 4,925.66

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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.