Home / 3,061.56-4,592.19-981.66

Finding the Fourth Proportional to 3,061.56, 4,592.19 and 981.66

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Solution

The fourth proportional to 3,061.56, 4,592.19 and 981.66 is: 1,472.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,061.56 : 4,592.19 = 981.66 : x
  2. Step 2: Convert to fraction form
    3,061.56/4,592.19 = 981.66/x
  3. Step 3: Cross multiply
    3,061.56x = 4,592.19 × 981.66
  4. Step 4: Simplify right side
    3,061.56x = 4,507,969.24
  5. Step 5: Solve for x
    x = 4,507,969.24/3,061.56
  6. Step 6: Final answer
    x = 1,472.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.