Home / 5,248.62-7,243.53-2,891.19

Finding the Fourth Proportional to 5,248.62, 7,243.53 and 2,891.19

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Solution

The fourth proportional to 5,248.62, 7,243.53 and 2,891.19 is: 3,990.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.62 : 7,243.53 = 2,891.19 : x
  2. Step 2: Convert to fraction form
    5,248.62/7,243.53 = 2,891.19/x
  3. Step 3: Cross multiply
    5,248.62x = 7,243.53 × 2,891.19
  4. Step 4: Simplify right side
    5,248.62x = 20,942,421.50
  5. Step 5: Solve for x
    x = 20,942,421.50/5,248.62
  6. Step 6: Final answer
    x = 3,990.08

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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.