Home / 3,972.96-5,959.98-1,376.10

Finding the Fourth Proportional to 3,972.96, 5,959.98 and 1,376.10

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Solution

The fourth proportional to 3,972.96, 5,959.98 and 1,376.10 is: 2,064.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.96 : 5,959.98 = 1,376.10 : x
  2. Step 2: Convert to fraction form
    3,972.96/5,959.98 = 1,376.10/x
  3. Step 3: Cross multiply
    3,972.96x = 5,959.98 × 1,376.10
  4. Step 4: Simplify right side
    3,972.96x = 8,201,528.48
  5. Step 5: Solve for x
    x = 8,201,528.48/3,972.96
  6. Step 6: Final answer
    x = 2,064.34

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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.