Home / 5,232.38-7,220.69-2,842.35

Finding the Fourth Proportional to 5,232.38, 7,220.69 and 2,842.35

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Solution

The fourth proportional to 5,232.38, 7,220.69 and 2,842.35 is: 3,922.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,232.38 : 7,220.69 = 2,842.35 : x
  2. Step 2: Convert to fraction form
    5,232.38/7,220.69 = 2,842.35/x
  3. Step 3: Cross multiply
    5,232.38x = 7,220.69 × 2,842.35
  4. Step 4: Simplify right side
    5,232.38x = 20,523,738.21
  5. Step 5: Solve for x
    x = 20,523,738.21/5,232.38
  6. Step 6: Final answer
    x = 3,922.45

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Half scale
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Double scale
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Similar ratio
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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.