Home / 3,531.20-4,873.05-1,937.86

Finding the Fourth Proportional to 3,531.20, 4,873.05 and 1,937.86

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Solution

The fourth proportional to 3,531.20, 4,873.05 and 1,937.86 is: 2,674.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.20 : 4,873.05 = 1,937.86 : x
  2. Step 2: Convert to fraction form
    3,531.20/4,873.05 = 1,937.86/x
  3. Step 3: Cross multiply
    3,531.20x = 4,873.05 × 1,937.86
  4. Step 4: Simplify right side
    3,531.20x = 9,443,276.49
  5. Step 5: Solve for x
    x = 9,443,276.49/3,531.20
  6. Step 6: Final answer
    x = 2,674.24

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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.