Home / 5,233.24-7,221.72-2,875.51

Finding the Fourth Proportional to 5,233.24, 7,221.72 and 2,875.51

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Solution

The fourth proportional to 5,233.24, 7,221.72 and 2,875.51 is: 3,968.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,233.24 : 7,221.72 = 2,875.51 : x
  2. Step 2: Convert to fraction form
    5,233.24/7,221.72 = 2,875.51/x
  3. Step 3: Cross multiply
    5,233.24x = 7,221.72 × 2,875.51
  4. Step 4: Simplify right side
    5,233.24x = 20,766,128.08
  5. Step 5: Solve for x
    x = 20,766,128.08/5,233.24
  6. Step 6: Final answer
    x = 3,968.12

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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.