Home / 5,222.45-7,206.58-2,864.58

Finding the Fourth Proportional to 5,222.45, 7,206.58 and 2,864.58

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Solution

The fourth proportional to 5,222.45, 7,206.58 and 2,864.58 is: 3,952.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.45 : 7,206.58 = 2,864.58 : x
  2. Step 2: Convert to fraction form
    5,222.45/7,206.58 = 2,864.58/x
  3. Step 3: Cross multiply
    5,222.45x = 7,206.58 × 2,864.58
  4. Step 4: Simplify right side
    5,222.45x = 20,643,824.94
  5. Step 5: Solve for x
    x = 20,643,824.94/5,222.45
  6. Step 6: Final answer
    x = 3,952.90

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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.