Home / 3,746.27-5,619.41-1,281.11

Finding the Fourth Proportional to 3,746.27, 5,619.41 and 1,281.11

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Solution

The fourth proportional to 3,746.27, 5,619.41 and 1,281.11 is: 1,921.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.27 : 5,619.41 = 1,281.11 : x
  2. Step 2: Convert to fraction form
    3,746.27/5,619.41 = 1,281.11/x
  3. Step 3: Cross multiply
    3,746.27x = 5,619.41 × 1,281.11
  4. Step 4: Simplify right side
    3,746.27x = 7,199,047.84
  5. Step 5: Solve for x
    x = 7,199,047.84/3,746.27
  6. Step 6: Final answer
    x = 1,921.66

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Similar ratio
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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.