Home / 1,972.74-2,959.53-586.14

Finding the Fourth Proportional to 1,972.74, 2,959.53 and 586.14

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Solution

The fourth proportional to 1,972.74, 2,959.53 and 586.14 is: 879.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972.74 : 2,959.53 = 586.14 : x
  2. Step 2: Convert to fraction form
    1,972.74/2,959.53 = 586.14/x
  3. Step 3: Cross multiply
    1,972.74x = 2,959.53 × 586.14
  4. Step 4: Simplify right side
    1,972.74x = 1,734,698.91
  5. Step 5: Solve for x
    x = 1,734,698.91/1,972.74
  6. Step 6: Final answer
    x = 879.33

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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.