Home / 5,222.28-7,206.80-2,864.52

Finding the Fourth Proportional to 5,222.28, 7,206.80 and 2,864.52

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Solution

The fourth proportional to 5,222.28, 7,206.80 and 2,864.52 is: 3,953.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.28 : 7,206.80 = 2,864.52 : x
  2. Step 2: Convert to fraction form
    5,222.28/7,206.80 = 2,864.52/x
  3. Step 3: Cross multiply
    5,222.28x = 7,206.80 × 2,864.52
  4. Step 4: Simplify right side
    5,222.28x = 20,644,022.74
  5. Step 5: Solve for x
    x = 20,644,022.74/5,222.28
  6. Step 6: Final answer
    x = 3,953.07

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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.