Home / 5,267.16-7,899.06-2,147.16

Finding the Fourth Proportional to 5,267.16, 7,899.06 and 2,147.16

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Solution

The fourth proportional to 5,267.16, 7,899.06 and 2,147.16 is: 3,220.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,267.16 : 7,899.06 = 2,147.16 : x
  2. Step 2: Convert to fraction form
    5,267.16/7,899.06 = 2,147.16/x
  3. Step 3: Cross multiply
    5,267.16x = 7,899.06 × 2,147.16
  4. Step 4: Simplify right side
    5,267.16x = 16,960,545.67
  5. Step 5: Solve for x
    x = 16,960,545.67/5,267.16
  6. Step 6: Final answer
    x = 3,220.06

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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.