Home / 5,008.02-6,908.77-3,240.20

Finding the Fourth Proportional to 5,008.02, 6,908.77 and 3,240.20

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Solution

The fourth proportional to 5,008.02, 6,908.77 and 3,240.20 is: 4,469.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,008.02 : 6,908.77 = 3,240.20 : x
  2. Step 2: Convert to fraction form
    5,008.02/6,908.77 = 3,240.20/x
  3. Step 3: Cross multiply
    5,008.02x = 6,908.77 × 3,240.20
  4. Step 4: Simplify right side
    5,008.02x = 22,385,796.55
  5. Step 5: Solve for x
    x = 22,385,796.55/5,008.02
  6. Step 6: Final answer
    x = 4,469.99

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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.