Home / 5,577.02-7,694.16-3,218.30

Finding the Fourth Proportional to 5,577.02, 7,694.16 and 3,218.30

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Solution

The fourth proportional to 5,577.02, 7,694.16 and 3,218.30 is: 4,440.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.02 : 7,694.16 = 3,218.30 : x
  2. Step 2: Convert to fraction form
    5,577.02/7,694.16 = 3,218.30/x
  3. Step 3: Cross multiply
    5,577.02x = 7,694.16 × 3,218.30
  4. Step 4: Simplify right side
    5,577.02x = 24,762,115.13
  5. Step 5: Solve for x
    x = 24,762,115.13/5,577.02
  6. Step 6: Final answer
    x = 4,440.03

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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.