Home / 4,036.75-5,558.66-3,742.72

Finding the Fourth Proportional to 4,036.75, 5,558.66 and 3,742.72

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Solution

The fourth proportional to 4,036.75, 5,558.66 and 3,742.72 is: 5,153.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,036.75 : 5,558.66 = 3,742.72 : x
  2. Step 2: Convert to fraction form
    4,036.75/5,558.66 = 3,742.72/x
  3. Step 3: Cross multiply
    4,036.75x = 5,558.66 × 3,742.72
  4. Step 4: Simplify right side
    4,036.75x = 20,804,489.38
  5. Step 5: Solve for x
    x = 20,804,489.38/4,036.75
  6. Step 6: Final answer
    x = 5,153.78

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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.