Home / 3,581.48-5,372.79-1,732.74

Finding the Fourth Proportional to 3,581.48, 5,372.79 and 1,732.74

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Solution

The fourth proportional to 3,581.48, 5,372.79 and 1,732.74 is: 2,599.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.48 : 5,372.79 = 1,732.74 : x
  2. Step 2: Convert to fraction form
    3,581.48/5,372.79 = 1,732.74/x
  3. Step 3: Cross multiply
    3,581.48x = 5,372.79 × 1,732.74
  4. Step 4: Simplify right side
    3,581.48x = 9,309,621.50
  5. Step 5: Solve for x
    x = 9,309,621.50/3,581.48
  6. Step 6: Final answer
    x = 2,599.38

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1.5x scale

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.