Home / 5,234.21-7,223.19-2,876.35

Finding the Fourth Proportional to 5,234.21, 7,223.19 and 2,876.35

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Solution

The fourth proportional to 5,234.21, 7,223.19 and 2,876.35 is: 3,969.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234.21 : 7,223.19 = 2,876.35 : x
  2. Step 2: Convert to fraction form
    5,234.21/7,223.19 = 2,876.35/x
  3. Step 3: Cross multiply
    5,234.21x = 7,223.19 × 2,876.35
  4. Step 4: Simplify right side
    5,234.21x = 20,776,422.56
  5. Step 5: Solve for x
    x = 20,776,422.56/5,234.21
  6. Step 6: Final answer
    x = 3,969.35

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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.