Home / 5,222.76-7,207.36-2,864.84

Finding the Fourth Proportional to 5,222.76, 7,207.36 and 2,864.84

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Solution

The fourth proportional to 5,222.76, 7,207.36 and 2,864.84 is: 3,953.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.76 : 7,207.36 = 2,864.84 : x
  2. Step 2: Convert to fraction form
    5,222.76/7,207.36 = 2,864.84/x
  3. Step 3: Cross multiply
    5,222.76x = 7,207.36 × 2,864.84
  4. Step 4: Simplify right side
    5,222.76x = 20,647,933.22
  5. Step 5: Solve for x
    x = 20,647,933.22/5,222.76
  6. Step 6: Final answer
    x = 3,953.45

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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.