Home / 5,362.96-7,400.82-3,125.20

Finding the Fourth Proportional to 5,362.96, 7,400.82 and 3,125.20

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Solution

The fourth proportional to 5,362.96, 7,400.82 and 3,125.20 is: 4,312.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,362.96 : 7,400.82 = 3,125.20 : x
  2. Step 2: Convert to fraction form
    5,362.96/7,400.82 = 3,125.20/x
  3. Step 3: Cross multiply
    5,362.96x = 7,400.82 × 3,125.20
  4. Step 4: Simplify right side
    5,362.96x = 23,129,042.66
  5. Step 5: Solve for x
    x = 23,129,042.66/5,362.96
  6. Step 6: Final answer
    x = 4,312.74

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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.