Home / 5,344.12-7,374.88-2,986.32

Finding the Fourth Proportional to 5,344.12, 7,374.88 and 2,986.32

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Solution

The fourth proportional to 5,344.12, 7,374.88 and 2,986.32 is: 4,121.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,344.12 : 7,374.88 = 2,986.32 : x
  2. Step 2: Convert to fraction form
    5,344.12/7,374.88 = 2,986.32/x
  3. Step 3: Cross multiply
    5,344.12x = 7,374.88 × 2,986.32
  4. Step 4: Simplify right side
    5,344.12x = 22,023,751.64
  5. Step 5: Solve for x
    x = 22,023,751.64/5,344.12
  6. Step 6: Final answer
    x = 4,121.12

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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.