Home / 3,040.79-4,196.75-2,853.18

Finding the Fourth Proportional to 3,040.79, 4,196.75 and 2,853.18

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Solution

The fourth proportional to 3,040.79, 4,196.75 and 2,853.18 is: 3,937.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.79 : 4,196.75 = 2,853.18 : x
  2. Step 2: Convert to fraction form
    3,040.79/4,196.75 = 2,853.18/x
  3. Step 3: Cross multiply
    3,040.79x = 4,196.75 × 2,853.18
  4. Step 4: Simplify right side
    3,040.79x = 11,974,068.90
  5. Step 5: Solve for x
    x = 11,974,068.90/3,040.79
  6. Step 6: Final answer
    x = 3,937.82

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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.