Home / 1,762.19-2,431.89-1,016.13

Finding the Fourth Proportional to 1,762.19, 2,431.89 and 1,016.13

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Solution

The fourth proportional to 1,762.19, 2,431.89 and 1,016.13 is: 1,402.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762.19 : 2,431.89 = 1,016.13 : x
  2. Step 2: Convert to fraction form
    1,762.19/2,431.89 = 1,016.13/x
  3. Step 3: Cross multiply
    1,762.19x = 2,431.89 × 1,016.13
  4. Step 4: Simplify right side
    1,762.19x = 2,471,116.39
  5. Step 5: Solve for x
    x = 2,471,116.39/1,762.19
  6. Step 6: Final answer
    x = 1,402.30

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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.