Home / 5,222.15-7,206.52-2,864.30

Finding the Fourth Proportional to 5,222.15, 7,206.52 and 2,864.30

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Solution

The fourth proportional to 5,222.15, 7,206.52 and 2,864.30 is: 3,952.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.15 : 7,206.52 = 2,864.30 : x
  2. Step 2: Convert to fraction form
    5,222.15/7,206.52 = 2,864.30/x
  3. Step 3: Cross multiply
    5,222.15x = 7,206.52 × 2,864.30
  4. Step 4: Simplify right side
    5,222.15x = 20,641,628.08
  5. Step 5: Solve for x
    x = 20,641,628.08/5,222.15
  6. Step 6: Final answer
    x = 3,952.71

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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.