Home / 3,713.04-5,123.25-2,221.02

Finding the Fourth Proportional to 3,713.04, 5,123.25 and 2,221.02

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Solution

The fourth proportional to 3,713.04, 5,123.25 and 2,221.02 is: 3,064.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.04 : 5,123.25 = 2,221.02 : x
  2. Step 2: Convert to fraction form
    3,713.04/5,123.25 = 2,221.02/x
  3. Step 3: Cross multiply
    3,713.04x = 5,123.25 × 2,221.02
  4. Step 4: Simplify right side
    3,713.04x = 11,378,840.72
  5. Step 5: Solve for x
    x = 11,378,840.72/3,713.04
  6. Step 6: Final answer
    x = 3,064.56

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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.