Home / 5,243.22-7,238.20-3,542.16

Finding the Fourth Proportional to 5,243.22, 7,238.20 and 3,542.16

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Solution

The fourth proportional to 5,243.22, 7,238.20 and 3,542.16 is: 4,889.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.22 : 7,238.20 = 3,542.16 : x
  2. Step 2: Convert to fraction form
    5,243.22/7,238.20 = 3,542.16/x
  3. Step 3: Cross multiply
    5,243.22x = 7,238.20 × 3,542.16
  4. Step 4: Simplify right side
    5,243.22x = 25,638,862.51
  5. Step 5: Solve for x
    x = 25,638,862.51/5,243.22
  6. Step 6: Final answer
    x = 4,889.91

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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.