Home / 5,451.12-8,176.56-2,373.12

Finding the Fourth Proportional to 5,451.12, 8,176.56 and 2,373.12

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Solution

The fourth proportional to 5,451.12, 8,176.56 and 2,373.12 is: 3,559.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.12 : 8,176.56 = 2,373.12 : x
  2. Step 2: Convert to fraction form
    5,451.12/8,176.56 = 2,373.12/x
  3. Step 3: Cross multiply
    5,451.12x = 8,176.56 × 2,373.12
  4. Step 4: Simplify right side
    5,451.12x = 19,403,958.07
  5. Step 5: Solve for x
    x = 19,403,958.07/5,451.12
  6. Step 6: Final answer
    x = 3,559.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.