Home / 5,234.12-7,223.16-2,876.48

Finding the Fourth Proportional to 5,234.12, 7,223.16 and 2,876.48

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Solution

The fourth proportional to 5,234.12, 7,223.16 and 2,876.48 is: 3,969.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234.12 : 7,223.16 = 2,876.48 : x
  2. Step 2: Convert to fraction form
    5,234.12/7,223.16 = 2,876.48/x
  3. Step 3: Cross multiply
    5,234.12x = 7,223.16 × 2,876.48
  4. Step 4: Simplify right side
    5,234.12x = 20,777,275.28
  5. Step 5: Solve for x
    x = 20,777,275.28/5,234.12
  6. Step 6: Final answer
    x = 3,969.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.