Home / 4,885.29-7,328.52-2,112.66

Finding the Fourth Proportional to 4,885.29, 7,328.52 and 2,112.66

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Solution

The fourth proportional to 4,885.29, 7,328.52 and 2,112.66 is: 3,169.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.29 : 7,328.52 = 2,112.66 : x
  2. Step 2: Convert to fraction form
    4,885.29/7,328.52 = 2,112.66/x
  3. Step 3: Cross multiply
    4,885.29x = 7,328.52 × 2,112.66
  4. Step 4: Simplify right side
    4,885.29x = 15,482,671.06
  5. Step 5: Solve for x
    x = 15,482,671.06/4,885.29
  6. Step 6: Final answer
    x = 3,169.24

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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.