Home / 5,233.52-7,222.39-2,875.72

Finding the Fourth Proportional to 5,233.52, 7,222.39 and 2,875.72

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Solution

The fourth proportional to 5,233.52, 7,222.39 and 2,875.72 is: 3,968.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,233.52 : 7,222.39 = 2,875.72 : x
  2. Step 2: Convert to fraction form
    5,233.52/7,222.39 = 2,875.72/x
  3. Step 3: Cross multiply
    5,233.52x = 7,222.39 × 2,875.72
  4. Step 4: Simplify right side
    5,233.52x = 20,769,571.37
  5. Step 5: Solve for x
    x = 20,769,571.37/5,233.52
  6. Step 6: Final answer
    x = 3,968.57

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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.