Home / 3,768.51-5,200.60-2,276.16

Finding the Fourth Proportional to 3,768.51, 5,200.60 and 2,276.16

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Solution

The fourth proportional to 3,768.51, 5,200.60 and 2,276.16 is: 3,141.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768.51 : 5,200.60 = 2,276.16 : x
  2. Step 2: Convert to fraction form
    3,768.51/5,200.60 = 2,276.16/x
  3. Step 3: Cross multiply
    3,768.51x = 5,200.60 × 2,276.16
  4. Step 4: Simplify right side
    3,768.51x = 11,837,397.70
  5. Step 5: Solve for x
    x = 11,837,397.70/3,768.51
  6. Step 6: Final answer
    x = 3,141.13

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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.