Home / 4,179.75-5,768.07-2,316.75

Finding the Fourth Proportional to 4,179.75, 5,768.07 and 2,316.75

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Solution

The fourth proportional to 4,179.75, 5,768.07 and 2,316.75 is: 3,197.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,179.75 : 5,768.07 = 2,316.75 : x
  2. Step 2: Convert to fraction form
    4,179.75/5,768.07 = 2,316.75/x
  3. Step 3: Cross multiply
    4,179.75x = 5,768.07 × 2,316.75
  4. Step 4: Simplify right side
    4,179.75x = 13,363,176.17
  5. Step 5: Solve for x
    x = 13,363,176.17/4,179.75
  6. Step 6: Final answer
    x = 3,197.12

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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.