Home / 5,202.79-7,178.78-3,077.27

Finding the Fourth Proportional to 5,202.79, 7,178.78 and 3,077.27

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Solution

The fourth proportional to 5,202.79, 7,178.78 and 3,077.27 is: 4,246.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,202.79 : 7,178.78 = 3,077.27 : x
  2. Step 2: Convert to fraction form
    5,202.79/7,178.78 = 3,077.27/x
  3. Step 3: Cross multiply
    5,202.79x = 7,178.78 × 3,077.27
  4. Step 4: Simplify right side
    5,202.79x = 22,091,016.13
  5. Step 5: Solve for x
    x = 22,091,016.13/5,202.79
  6. Step 6: Final answer
    x = 4,246.00

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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.