Home / 5,242.15-7,237.25-3,253.80

Finding the Fourth Proportional to 5,242.15, 7,237.25 and 3,253.80

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Solution

The fourth proportional to 5,242.15, 7,237.25 and 3,253.80 is: 4,492.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,242.15 : 7,237.25 = 3,253.80 : x
  2. Step 2: Convert to fraction form
    5,242.15/7,237.25 = 3,253.80/x
  3. Step 3: Cross multiply
    5,242.15x = 7,237.25 × 3,253.80
  4. Step 4: Simplify right side
    5,242.15x = 23,548,587.12
  5. Step 5: Solve for x
    x = 23,548,587.12/5,242.15
  6. Step 6: Final answer
    x = 4,492.16

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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.