Home / 5,462.10-8,205.30-5,240.70

Finding the Fourth Proportional to 5,462.10, 8,205.30 and 5,240.70

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Solution

The fourth proportional to 5,462.10, 8,205.30 and 5,240.70 is: 7,872.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,462.10 : 8,205.30 = 5,240.70 : x
  2. Step 2: Convert to fraction form
    5,462.10/8,205.30 = 5,240.70/x
  3. Step 3: Cross multiply
    5,462.10x = 8,205.30 × 5,240.70
  4. Step 4: Simplify right side
    5,462.10x = 43,001,515.71
  5. Step 5: Solve for x
    x = 43,001,515.71/5,462.10
  6. Step 6: Final answer
    x = 7,872.71

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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.