Home / 3,591.07-4,955.18-1,997.60

Finding the Fourth Proportional to 3,591.07, 4,955.18 and 1,997.60

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Solution

The fourth proportional to 3,591.07, 4,955.18 and 1,997.60 is: 2,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591.07 : 4,955.18 = 1,997.60 : x
  2. Step 2: Convert to fraction form
    3,591.07/4,955.18 = 1,997.60/x
  3. Step 3: Cross multiply
    3,591.07x = 4,955.18 × 1,997.60
  4. Step 4: Simplify right side
    3,591.07x = 9,898,432.80
  5. Step 5: Solve for x
    x = 9,898,432.80/3,591.07
  6. Step 6: Final answer
    x = 2,756.40

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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.