Home / 5,222.12-7,206.51-2,864.25

Finding the Fourth Proportional to 5,222.12, 7,206.51 and 2,864.25

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Solution

The fourth proportional to 5,222.12, 7,206.51 and 2,864.25 is: 3,952.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.12 : 7,206.51 = 2,864.25 : x
  2. Step 2: Convert to fraction form
    5,222.12/7,206.51 = 2,864.25/x
  3. Step 3: Cross multiply
    5,222.12x = 7,206.51 × 2,864.25
  4. Step 4: Simplify right side
    5,222.12x = 20,641,257.01
  5. Step 5: Solve for x
    x = 20,641,257.01/5,222.12
  6. Step 6: Final answer
    x = 3,952.66

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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.