Home / 5,591.40-8,388.52-3,951.16

Finding the Fourth Proportional to 5,591.40, 8,388.52 and 3,951.16

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Solution

The fourth proportional to 5,591.40, 8,388.52 and 3,951.16 is: 5,927.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,591.40 : 8,388.52 = 3,951.16 : x
  2. Step 2: Convert to fraction form
    5,591.40/8,388.52 = 3,951.16/x
  3. Step 3: Cross multiply
    5,591.40x = 8,388.52 × 3,951.16
  4. Step 4: Simplify right side
    5,591.40x = 33,144,384.68
  5. Step 5: Solve for x
    x = 33,144,384.68/5,591.40
  6. Step 6: Final answer
    x = 5,927.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.