Home / 4,940.16-7,412.40-3,625.20

Finding the Fourth Proportional to 4,940.16, 7,412.40 and 3,625.20

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Solution

The fourth proportional to 4,940.16, 7,412.40 and 3,625.20 is: 5,439.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,940.16 : 7,412.40 = 3,625.20 : x
  2. Step 2: Convert to fraction form
    4,940.16/7,412.40 = 3,625.20/x
  3. Step 3: Cross multiply
    4,940.16x = 7,412.40 × 3,625.20
  4. Step 4: Simplify right side
    4,940.16x = 26,871,432.48
  5. Step 5: Solve for x
    x = 26,871,432.48/4,940.16
  6. Step 6: Final answer
    x = 5,439.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.