Home / 3,031.28-4,545.40-951.48

Finding the Fourth Proportional to 3,031.28, 4,545.40 and 951.48

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Solution

The fourth proportional to 3,031.28, 4,545.40 and 951.48 is: 1,426.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.28 : 4,545.40 = 951.48 : x
  2. Step 2: Convert to fraction form
    3,031.28/4,545.40 = 951.48/x
  3. Step 3: Cross multiply
    3,031.28x = 4,545.40 × 951.48
  4. Step 4: Simplify right side
    3,031.28x = 4,324,857.19
  5. Step 5: Solve for x
    x = 4,324,857.19/3,031.28
  6. Step 6: Final answer
    x = 1,426.74

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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.