Home / 3,011.76-4,156.24-1,753.12

Finding the Fourth Proportional to 3,011.76, 4,156.24 and 1,753.12

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Solution

The fourth proportional to 3,011.76, 4,156.24 and 1,753.12 is: 2,419.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011.76 : 4,156.24 = 1,753.12 : x
  2. Step 2: Convert to fraction form
    3,011.76/4,156.24 = 1,753.12/x
  3. Step 3: Cross multiply
    3,011.76x = 4,156.24 × 1,753.12
  4. Step 4: Simplify right side
    3,011.76x = 7,286,387.47
  5. Step 5: Solve for x
    x = 7,286,387.47/3,011.76
  6. Step 6: Final answer
    x = 2,419.31

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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.