Home / 5,686.68-8,525.16-2,223.12

Finding the Fourth Proportional to 5,686.68, 8,525.16 and 2,223.12

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Solution

The fourth proportional to 5,686.68, 8,525.16 and 2,223.12 is: 3,332.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,686.68 : 8,525.16 = 2,223.12 : x
  2. Step 2: Convert to fraction form
    5,686.68/8,525.16 = 2,223.12/x
  3. Step 3: Cross multiply
    5,686.68x = 8,525.16 × 2,223.12
  4. Step 4: Simplify right side
    5,686.68x = 18,952,453.70
  5. Step 5: Solve for x
    x = 18,952,453.70/5,686.68
  6. Step 6: Final answer
    x = 3,332.78

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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.