Home / 5,233.32-7,221.96-2,875.56

Finding the Fourth Proportional to 5,233.32, 7,221.96 and 2,875.56

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Solution

The fourth proportional to 5,233.32, 7,221.96 and 2,875.56 is: 3,968.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,233.32 : 7,221.96 = 2,875.56 : x
  2. Step 2: Convert to fraction form
    5,233.32/7,221.96 = 2,875.56/x
  3. Step 3: Cross multiply
    5,233.32x = 7,221.96 × 2,875.56
  4. Step 4: Simplify right side
    5,233.32x = 20,767,179.30
  5. Step 5: Solve for x
    x = 20,767,179.30/5,233.32
  6. Step 6: Final answer
    x = 3,968.26

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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.