Home / 3,060.40-4,213.76-2,701.12

Finding the Fourth Proportional to 3,060.40, 4,213.76 and 2,701.12

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Solution

The fourth proportional to 3,060.40, 4,213.76 and 2,701.12 is: 3,719.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.40 : 4,213.76 = 2,701.12 : x
  2. Step 2: Convert to fraction form
    3,060.40/4,213.76 = 2,701.12/x
  3. Step 3: Cross multiply
    3,060.40x = 4,213.76 × 2,701.12
  4. Step 4: Simplify right side
    3,060.40x = 11,381,871.41
  5. Step 5: Solve for x
    x = 11,381,871.41/3,060.40
  6. Step 6: Final answer
    x = 3,719.08

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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.