Home / 5,233.24-7,851.78-2,153.56

Finding the Fourth Proportional to 5,233.24, 7,851.78 and 2,153.56

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Solution

The fourth proportional to 5,233.24, 7,851.78 and 2,153.56 is: 3,231.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,233.24 : 7,851.78 = 2,153.56 : x
  2. Step 2: Convert to fraction form
    5,233.24/7,851.78 = 2,153.56/x
  3. Step 3: Cross multiply
    5,233.24x = 7,851.78 × 2,153.56
  4. Step 4: Simplify right side
    5,233.24x = 16,909,279.34
  5. Step 5: Solve for x
    x = 16,909,279.34/5,233.24
  6. Step 6: Final answer
    x = 3,231.13

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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.