Home / 5,472.80-8,207.28-1,576.16

Finding the Fourth Proportional to 5,472.80, 8,207.28 and 1,576.16

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Solution

The fourth proportional to 5,472.80, 8,207.28 and 1,576.16 is: 2,363.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472.80 : 8,207.28 = 1,576.16 : x
  2. Step 2: Convert to fraction form
    5,472.80/8,207.28 = 1,576.16/x
  3. Step 3: Cross multiply
    5,472.80x = 8,207.28 × 1,576.16
  4. Step 4: Simplify right side
    5,472.80x = 12,935,986.44
  5. Step 5: Solve for x
    x = 12,935,986.44/5,472.80
  6. Step 6: Final answer
    x = 2,363.69

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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.