Home / 5,244.62-7,238.01-2,887.19

Finding the Fourth Proportional to 5,244.62, 7,238.01 and 2,887.19

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Solution

The fourth proportional to 5,244.62, 7,238.01 and 2,887.19 is: 3,984.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,244.62 : 7,238.01 = 2,887.19 : x
  2. Step 2: Convert to fraction form
    5,244.62/7,238.01 = 2,887.19/x
  3. Step 3: Cross multiply
    5,244.62x = 7,238.01 × 2,887.19
  4. Step 4: Simplify right side
    5,244.62x = 20,897,510.09
  5. Step 5: Solve for x
    x = 20,897,510.09/5,244.62
  6. Step 6: Final answer
    x = 3,984.56

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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.