Home / 5,074.52-6,998.30-3,186.28

Finding the Fourth Proportional to 5,074.52, 6,998.30 and 3,186.28

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Solution

The fourth proportional to 5,074.52, 6,998.30 and 3,186.28 is: 4,394.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.52 : 6,998.30 = 3,186.28 : x
  2. Step 2: Convert to fraction form
    5,074.52/6,998.30 = 3,186.28/x
  3. Step 3: Cross multiply
    5,074.52x = 6,998.30 × 3,186.28
  4. Step 4: Simplify right side
    5,074.52x = 22,298,509.90
  5. Step 5: Solve for x
    x = 22,298,509.90/5,074.52
  6. Step 6: Final answer
    x = 4,394.21

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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.