Home / 5,741.75-7,921.58-3,753.46

Finding the Fourth Proportional to 5,741.75, 7,921.58 and 3,753.46

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Solution

The fourth proportional to 5,741.75, 7,921.58 and 3,753.46 is: 5,178.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,741.75 : 7,921.58 = 3,753.46 : x
  2. Step 2: Convert to fraction form
    5,741.75/7,921.58 = 3,753.46/x
  3. Step 3: Cross multiply
    5,741.75x = 7,921.58 × 3,753.46
  4. Step 4: Simplify right side
    5,741.75x = 29,733,333.67
  5. Step 5: Solve for x
    x = 29,733,333.67/5,741.75
  6. Step 6: Final answer
    x = 5,178.44

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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.