Home / 3,253.19-4,489.40-1,761.11

Finding the Fourth Proportional to 3,253.19, 4,489.40 and 1,761.11

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Solution

The fourth proportional to 3,253.19, 4,489.40 and 1,761.11 is: 2,430.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.19 : 4,489.40 = 1,761.11 : x
  2. Step 2: Convert to fraction form
    3,253.19/4,489.40 = 1,761.11/x
  3. Step 3: Cross multiply
    3,253.19x = 4,489.40 × 1,761.11
  4. Step 4: Simplify right side
    3,253.19x = 7,906,327.71
  5. Step 5: Solve for x
    x = 7,906,327.71/3,253.19
  6. Step 6: Final answer
    x = 2,430.33

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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.