Home / 6,617.02-9,130.82-3,964.36

Finding the Fourth Proportional to 6,617.02, 9,130.82 and 3,964.36

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Solution

The fourth proportional to 6,617.02, 9,130.82 and 3,964.36 is: 5,470.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,617.02 : 9,130.82 = 3,964.36 : x
  2. Step 2: Convert to fraction form
    6,617.02/9,130.82 = 3,964.36/x
  3. Step 3: Cross multiply
    6,617.02x = 9,130.82 × 3,964.36
  4. Step 4: Simplify right side
    6,617.02x = 36,197,857.58
  5. Step 5: Solve for x
    x = 36,197,857.58/6,617.02
  6. Step 6: Final answer
    x = 5,470.42

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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.