Home / 3,551.57-5,328.46-1,472.55

Finding the Fourth Proportional to 3,551.57, 5,328.46 and 1,472.55

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Solution

The fourth proportional to 3,551.57, 5,328.46 and 1,472.55 is: 2,209.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.57 : 5,328.46 = 1,472.55 : x
  2. Step 2: Convert to fraction form
    3,551.57/5,328.46 = 1,472.55/x
  3. Step 3: Cross multiply
    3,551.57x = 5,328.46 × 1,472.55
  4. Step 4: Simplify right side
    3,551.57x = 7,846,423.77
  5. Step 5: Solve for x
    x = 7,846,423.77/3,551.57
  6. Step 6: Final answer
    x = 2,209.28

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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.