Home / 3,061.30-4,218.28-2,353.11

Finding the Fourth Proportional to 3,061.30, 4,218.28 and 2,353.11

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Solution

The fourth proportional to 3,061.30, 4,218.28 and 2,353.11 is: 3,242.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,061.30 : 4,218.28 = 2,353.11 : x
  2. Step 2: Convert to fraction form
    3,061.30/4,218.28 = 2,353.11/x
  3. Step 3: Cross multiply
    3,061.30x = 4,218.28 × 2,353.11
  4. Step 4: Simplify right side
    3,061.30x = 9,926,076.85
  5. Step 5: Solve for x
    x = 9,926,076.85/3,061.30
  6. Step 6: Final answer
    x = 3,242.44

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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.