Home / 3,764.28-5,194.58-2,085.76

Finding the Fourth Proportional to 3,764.28, 5,194.58 and 2,085.76

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Solution

The fourth proportional to 3,764.28, 5,194.58 and 2,085.76 is: 2,878.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,764.28 : 5,194.58 = 2,085.76 : x
  2. Step 2: Convert to fraction form
    3,764.28/5,194.58 = 2,085.76/x
  3. Step 3: Cross multiply
    3,764.28x = 5,194.58 × 2,085.76
  4. Step 4: Simplify right side
    3,764.28x = 10,834,647.18
  5. Step 5: Solve for x
    x = 10,834,647.18/3,764.28
  6. Step 6: Final answer
    x = 2,878.28

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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.