Home / 5,921.68-8,882.16-2,223.60

Finding the Fourth Proportional to 5,921.68, 8,882.16 and 2,223.60

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Solution

The fourth proportional to 5,921.68, 8,882.16 and 2,223.60 is: 3,335.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.68 : 8,882.16 = 2,223.60 : x
  2. Step 2: Convert to fraction form
    5,921.68/8,882.16 = 2,223.60/x
  3. Step 3: Cross multiply
    5,921.68x = 8,882.16 × 2,223.60
  4. Step 4: Simplify right side
    5,921.68x = 19,750,370.98
  5. Step 5: Solve for x
    x = 19,750,370.98/5,921.68
  6. Step 6: Final answer
    x = 3,335.26

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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.