Home / 6,633.48-9,158.43-4,119.28

Finding the Fourth Proportional to 6,633.48, 9,158.43 and 4,119.28

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Solution

The fourth proportional to 6,633.48, 9,158.43 and 4,119.28 is: 5,687.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,633.48 : 9,158.43 = 4,119.28 : x
  2. Step 2: Convert to fraction form
    6,633.48/9,158.43 = 4,119.28/x
  3. Step 3: Cross multiply
    6,633.48x = 9,158.43 × 4,119.28
  4. Step 4: Simplify right side
    6,633.48x = 37,726,137.53
  5. Step 5: Solve for x
    x = 37,726,137.53/6,633.48
  6. Step 6: Final answer
    x = 5,687.23

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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.