Home / 3,512.90-5,269.30-1,049.42

Finding the Fourth Proportional to 3,512.90, 5,269.30 and 1,049.42

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Solution

The fourth proportional to 3,512.90, 5,269.30 and 1,049.42 is: 1,574.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.90 : 5,269.30 = 1,049.42 : x
  2. Step 2: Convert to fraction form
    3,512.90/5,269.30 = 1,049.42/x
  3. Step 3: Cross multiply
    3,512.90x = 5,269.30 × 1,049.42
  4. Step 4: Simplify right side
    3,512.90x = 5,529,708.81
  5. Step 5: Solve for x
    x = 5,529,708.81/3,512.90
  6. Step 6: Final answer
    x = 1,574.12

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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.