Home / 4,974.45-6,862.12-3,085.44

Finding the Fourth Proportional to 4,974.45, 6,862.12 and 3,085.44

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Solution

The fourth proportional to 4,974.45, 6,862.12 and 3,085.44 is: 4,256.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,974.45 : 6,862.12 = 3,085.44 : x
  2. Step 2: Convert to fraction form
    4,974.45/6,862.12 = 3,085.44/x
  3. Step 3: Cross multiply
    4,974.45x = 6,862.12 × 3,085.44
  4. Step 4: Simplify right side
    4,974.45x = 21,172,659.53
  5. Step 5: Solve for x
    x = 21,172,659.53/4,974.45
  6. Step 6: Final answer
    x = 4,256.28

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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.