Home / 1,724.69-2,586.03-1,177.53

Finding the Fourth Proportional to 1,724.69, 2,586.03 and 1,177.53

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Solution

The fourth proportional to 1,724.69, 2,586.03 and 1,177.53 is: 1,765.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.69 : 2,586.03 = 1,177.53 : x
  2. Step 2: Convert to fraction form
    1,724.69/2,586.03 = 1,177.53/x
  3. Step 3: Cross multiply
    1,724.69x = 2,586.03 × 1,177.53
  4. Step 4: Simplify right side
    1,724.69x = 3,045,127.91
  5. Step 5: Solve for x
    x = 3,045,127.91/1,724.69
  6. Step 6: Final answer
    x = 1,765.61

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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.