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Finding the Fourth Proportional to 3,758.84, 5,640.18 and 2,741.24

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Solution

The fourth proportional to 3,758.84, 5,640.18 and 2,741.24 is: 4,113.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,758.84 : 5,640.18 = 2,741.24 : x
  2. Step 2: Convert to fraction form
    3,758.84/5,640.18 = 2,741.24/x
  3. Step 3: Cross multiply
    3,758.84x = 5,640.18 × 2,741.24
  4. Step 4: Simplify right side
    3,758.84x = 15,461,087.02
  5. Step 5: Solve for x
    x = 15,461,087.02/3,758.84
  6. Step 6: Final answer
    x = 4,113.26

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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.