Home / 6,140.25-8,463.87-4,012.02

Finding the Fourth Proportional to 6,140.25, 8,463.87 and 4,012.02

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Solution

The fourth proportional to 6,140.25, 8,463.87 and 4,012.02 is: 5,530.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.25 : 8,463.87 = 4,012.02 : x
  2. Step 2: Convert to fraction form
    6,140.25/8,463.87 = 4,012.02/x
  3. Step 3: Cross multiply
    6,140.25x = 8,463.87 × 4,012.02
  4. Step 4: Simplify right side
    6,140.25x = 33,957,215.72
  5. Step 5: Solve for x
    x = 33,957,215.72/6,140.25
  6. Step 6: Final answer
    x = 5,530.27

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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.