Home / 5,324.78-7,990.24-2,204.22

Finding the Fourth Proportional to 5,324.78, 7,990.24 and 2,204.22

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Solution

The fourth proportional to 5,324.78, 7,990.24 and 2,204.22 is: 3,307.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,324.78 : 7,990.24 = 2,204.22 : x
  2. Step 2: Convert to fraction form
    5,324.78/7,990.24 = 2,204.22/x
  3. Step 3: Cross multiply
    5,324.78x = 7,990.24 × 2,204.22
  4. Step 4: Simplify right side
    5,324.78x = 17,612,246.81
  5. Step 5: Solve for x
    x = 17,612,246.81/5,324.78
  6. Step 6: Final answer
    x = 3,307.60

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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.