Home / 1,724.19-2,579.91-1,031.24

Finding the Fourth Proportional to 1,724.19, 2,579.91 and 1,031.24

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Solution

The fourth proportional to 1,724.19, 2,579.91 and 1,031.24 is: 1,543.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.19 : 2,579.91 = 1,031.24 : x
  2. Step 2: Convert to fraction form
    1,724.19/2,579.91 = 1,031.24/x
  3. Step 3: Cross multiply
    1,724.19x = 2,579.91 × 1,031.24
  4. Step 4: Simplify right side
    1,724.19x = 2,660,506.39
  5. Step 5: Solve for x
    x = 2,660,506.39/1,724.19
  6. Step 6: Final answer
    x = 1,543.05

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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.