Home / 1,713.46-2,570.11-1,191.92

Finding the Fourth Proportional to 1,713.46, 2,570.11 and 1,191.92

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Solution

The fourth proportional to 1,713.46, 2,570.11 and 1,191.92 is: 1,787.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,713.46 : 2,570.11 = 1,191.92 : x
  2. Step 2: Convert to fraction form
    1,713.46/2,570.11 = 1,191.92/x
  3. Step 3: Cross multiply
    1,713.46x = 2,570.11 × 1,191.92
  4. Step 4: Simplify right side
    1,713.46x = 3,063,365.51
  5. Step 5: Solve for x
    x = 3,063,365.51/1,713.46
  6. Step 6: Final answer
    x = 1,787.82

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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.