Home / 5,222.14-7,206.50-2,864.30

Finding the Fourth Proportional to 5,222.14, 7,206.50 and 2,864.30

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Solution

The fourth proportional to 5,222.14, 7,206.50 and 2,864.30 is: 3,952.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.14 : 7,206.50 = 2,864.30 : x
  2. Step 2: Convert to fraction form
    5,222.14/7,206.50 = 2,864.30/x
  3. Step 3: Cross multiply
    5,222.14x = 7,206.50 × 2,864.30
  4. Step 4: Simplify right side
    5,222.14x = 20,641,577.95
  5. Step 5: Solve for x
    x = 20,641,577.95/5,222.14
  6. Step 6: Final answer
    x = 3,952.70

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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.