Home / 5,548.68-7,657.56-3,190.68

Finding the Fourth Proportional to 5,548.68, 7,657.56 and 3,190.68

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Solution

The fourth proportional to 5,548.68, 7,657.56 and 3,190.68 is: 4,403.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,548.68 : 7,657.56 = 3,190.68 : x
  2. Step 2: Convert to fraction form
    5,548.68/7,657.56 = 3,190.68/x
  3. Step 3: Cross multiply
    5,548.68x = 7,657.56 × 3,190.68
  4. Step 4: Simplify right side
    5,548.68x = 24,432,823.54
  5. Step 5: Solve for x
    x = 24,432,823.54/5,548.68
  6. Step 6: Final answer
    x = 4,403.36

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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.