Home / 5,202.47-7,177.34-3,209.55

Finding the Fourth Proportional to 5,202.47, 7,177.34 and 3,209.55

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Solution

The fourth proportional to 5,202.47, 7,177.34 and 3,209.55 is: 4,427.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,202.47 : 7,177.34 = 3,209.55 : x
  2. Step 2: Convert to fraction form
    5,202.47/7,177.34 = 3,209.55/x
  3. Step 3: Cross multiply
    5,202.47x = 7,177.34 × 3,209.55
  4. Step 4: Simplify right side
    5,202.47x = 23,036,015.55
  5. Step 5: Solve for x
    x = 23,036,015.55/5,202.47
  6. Step 6: Final answer
    x = 4,427.90

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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.