Home / 5,233.71-7,222.56-2,875.85

Finding the Fourth Proportional to 5,233.71, 7,222.56 and 2,875.85

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Solution

The fourth proportional to 5,233.71, 7,222.56 and 2,875.85 is: 3,968.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,233.71 : 7,222.56 = 2,875.85 : x
  2. Step 2: Convert to fraction form
    5,233.71/7,222.56 = 2,875.85/x
  3. Step 3: Cross multiply
    5,233.71x = 7,222.56 × 2,875.85
  4. Step 4: Simplify right side
    5,233.71x = 20,770,973.85
  5. Step 5: Solve for x
    x = 20,770,973.85/5,233.71
  6. Step 6: Final answer
    x = 3,968.69

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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.