Home / 5,234.23-7,222.89-2,876.32

Finding the Fourth Proportional to 5,234.23, 7,222.89 and 2,876.32

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Solution

The fourth proportional to 5,234.23, 7,222.89 and 2,876.32 is: 3,969.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234.23 : 7,222.89 = 2,876.32 : x
  2. Step 2: Convert to fraction form
    5,234.23/7,222.89 = 2,876.32/x
  3. Step 3: Cross multiply
    5,234.23x = 7,222.89 × 2,876.32
  4. Step 4: Simplify right side
    5,234.23x = 20,775,342.96
  5. Step 5: Solve for x
    x = 20,775,342.96/5,234.23
  6. Step 6: Final answer
    x = 3,969.13

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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.