Home / 5,224.17-7,209.50-2,866.40

Finding the Fourth Proportional to 5,224.17, 7,209.50 and 2,866.40

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Solution

The fourth proportional to 5,224.17, 7,209.50 and 2,866.40 is: 3,955.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,224.17 : 7,209.50 = 2,866.40 : x
  2. Step 2: Convert to fraction form
    5,224.17/7,209.50 = 2,866.40/x
  3. Step 3: Cross multiply
    5,224.17x = 7,209.50 × 2,866.40
  4. Step 4: Simplify right side
    5,224.17x = 20,665,260.42
  5. Step 5: Solve for x
    x = 20,665,260.42/5,224.17
  6. Step 6: Final answer
    x = 3,955.70

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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.