Home / 5,711.49-7,881.32-3,353.18

Finding the Fourth Proportional to 5,711.49, 7,881.32 and 3,353.18

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Solution

The fourth proportional to 5,711.49, 7,881.32 and 3,353.18 is: 4,627.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,711.49 : 7,881.32 = 3,353.18 : x
  2. Step 2: Convert to fraction form
    5,711.49/7,881.32 = 3,353.18/x
  3. Step 3: Cross multiply
    5,711.49x = 7,881.32 × 3,353.18
  4. Step 4: Simplify right side
    5,711.49x = 26,427,428.43
  5. Step 5: Solve for x
    x = 26,427,428.43/5,711.49
  6. Step 6: Final answer
    x = 4,627.06

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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.