Home / 1,583.18-2,372.84-1,191.92

Finding the Fourth Proportional to 1,583.18, 2,372.84 and 1,191.92

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Solution

The fourth proportional to 1,583.18, 2,372.84 and 1,191.92 is: 1,786.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583.18 : 2,372.84 = 1,191.92 : x
  2. Step 2: Convert to fraction form
    1,583.18/2,372.84 = 1,191.92/x
  3. Step 3: Cross multiply
    1,583.18x = 2,372.84 × 1,191.92
  4. Step 4: Simplify right side
    1,583.18x = 2,828,220.61
  5. Step 5: Solve for x
    x = 2,828,220.61/1,583.18
  6. Step 6: Final answer
    x = 1,786.42

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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.