Home / 4,131.10-5,701.54-2,640.01

Finding the Fourth Proportional to 4,131.10, 5,701.54 and 2,640.01

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Solution

The fourth proportional to 4,131.10, 5,701.54 and 2,640.01 is: 3,643.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,131.10 : 5,701.54 = 2,640.01 : x
  2. Step 2: Convert to fraction form
    4,131.10/5,701.54 = 2,640.01/x
  3. Step 3: Cross multiply
    4,131.10x = 5,701.54 × 2,640.01
  4. Step 4: Simplify right side
    4,131.10x = 15,052,122.62
  5. Step 5: Solve for x
    x = 15,052,122.62/4,131.10
  6. Step 6: Final answer
    x = 3,643.61

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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.