Home / 5,350.85-7,383.12-2,992.55

Finding the Fourth Proportional to 5,350.85, 7,383.12 and 2,992.55

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Solution

The fourth proportional to 5,350.85, 7,383.12 and 2,992.55 is: 4,129.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,350.85 : 7,383.12 = 2,992.55 : x
  2. Step 2: Convert to fraction form
    5,350.85/7,383.12 = 2,992.55/x
  3. Step 3: Cross multiply
    5,350.85x = 7,383.12 × 2,992.55
  4. Step 4: Simplify right side
    5,350.85x = 22,094,355.76
  5. Step 5: Solve for x
    x = 22,094,355.76/5,350.85
  6. Step 6: Final answer
    x = 4,129.13

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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.