Home / 4,886.48-7,332.69-2,112.62

Finding the Fourth Proportional to 4,886.48, 7,332.69 and 2,112.62

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Solution

The fourth proportional to 4,886.48, 7,332.69 and 2,112.62 is: 3,170.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.48 : 7,332.69 = 2,112.62 : x
  2. Step 2: Convert to fraction form
    4,886.48/7,332.69 = 2,112.62/x
  3. Step 3: Cross multiply
    4,886.48x = 7,332.69 × 2,112.62
  4. Step 4: Simplify right side
    4,886.48x = 15,491,187.55
  5. Step 5: Solve for x
    x = 15,491,187.55/4,886.48
  6. Step 6: Final answer
    x = 3,170.21

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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.