Home / 1,331.74-1,837.13-1,016.46

Finding the Fourth Proportional to 1,331.74, 1,837.13 and 1,016.46

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Solution

The fourth proportional to 1,331.74, 1,837.13 and 1,016.46 is: 1,402.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331.74 : 1,837.13 = 1,016.46 : x
  2. Step 2: Convert to fraction form
    1,331.74/1,837.13 = 1,016.46/x
  3. Step 3: Cross multiply
    1,331.74x = 1,837.13 × 1,016.46
  4. Step 4: Simplify right side
    1,331.74x = 1,867,357.19
  5. Step 5: Solve for x
    x = 1,867,357.19/1,331.74
  6. Step 6: Final answer
    x = 1,402.19

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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.