Home / 5,224.78-7,210.20-2,867.05

Finding the Fourth Proportional to 5,224.78, 7,210.20 and 2,867.05

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Solution

The fourth proportional to 5,224.78, 7,210.20 and 2,867.05 is: 3,956.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,224.78 : 7,210.20 = 2,867.05 : x
  2. Step 2: Convert to fraction form
    5,224.78/7,210.20 = 2,867.05/x
  3. Step 3: Cross multiply
    5,224.78x = 7,210.20 × 2,867.05
  4. Step 4: Simplify right side
    5,224.78x = 20,672,003.91
  5. Step 5: Solve for x
    x = 20,672,003.91/5,224.78
  6. Step 6: Final answer
    x = 3,956.53

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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.