Home / 3,061.23-4,226.30-2,221.13

Finding the Fourth Proportional to 3,061.23, 4,226.30 and 2,221.13

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Solution

The fourth proportional to 3,061.23, 4,226.30 and 2,221.13 is: 3,066.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,061.23 : 4,226.30 = 2,221.13 : x
  2. Step 2: Convert to fraction form
    3,061.23/4,226.30 = 2,221.13/x
  3. Step 3: Cross multiply
    3,061.23x = 4,226.30 × 2,221.13
  4. Step 4: Simplify right side
    3,061.23x = 9,387,129.48
  5. Step 5: Solve for x
    x = 9,387,129.48/3,061.23
  6. Step 6: Final answer
    x = 3,066.46

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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.