Home / 1,343.46-1,854.27-966.36

Finding the Fourth Proportional to 1,343.46, 1,854.27 and 966.36

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Solution

The fourth proportional to 1,343.46, 1,854.27 and 966.36 is: 1,333.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343.46 : 1,854.27 = 966.36 : x
  2. Step 2: Convert to fraction form
    1,343.46/1,854.27 = 966.36/x
  3. Step 3: Cross multiply
    1,343.46x = 1,854.27 × 966.36
  4. Step 4: Simplify right side
    1,343.46x = 1,791,892.36
  5. Step 5: Solve for x
    x = 1,791,892.36/1,343.46
  6. Step 6: Final answer
    x = 1,333.79

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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.