Home / 3,335.32-4,997.50-1,142.85

Finding the Fourth Proportional to 3,335.32, 4,997.50 and 1,142.85

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Solution

The fourth proportional to 3,335.32, 4,997.50 and 1,142.85 is: 1,712.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,335.32 : 4,997.50 = 1,142.85 : x
  2. Step 2: Convert to fraction form
    3,335.32/4,997.50 = 1,142.85/x
  3. Step 3: Cross multiply
    3,335.32x = 4,997.50 × 1,142.85
  4. Step 4: Simplify right side
    3,335.32x = 5,711,390.02
  5. Step 5: Solve for x
    x = 5,711,390.02/3,335.32
  6. Step 6: Final answer
    x = 1,712.40

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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.