Home / 5,248.83-7,243.13-2,890.92

Finding the Fourth Proportional to 5,248.83, 7,243.13 and 2,890.92

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Solution

The fourth proportional to 5,248.83, 7,243.13 and 2,890.92 is: 3,989.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.83 : 7,243.13 = 2,890.92 : x
  2. Step 2: Convert to fraction form
    5,248.83/7,243.13 = 2,890.92/x
  3. Step 3: Cross multiply
    5,248.83x = 7,243.13 × 2,890.92
  4. Step 4: Simplify right side
    5,248.83x = 20,939,294.93
  5. Step 5: Solve for x
    x = 20,939,294.93/5,248.83
  6. Step 6: Final answer
    x = 3,989.33

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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.