Home / 3,730.75-5,148.44-2,074.75

Finding the Fourth Proportional to 3,730.75, 5,148.44 and 2,074.75

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Solution

The fourth proportional to 3,730.75, 5,148.44 and 2,074.75 is: 2,863.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730.75 : 5,148.44 = 2,074.75 : x
  2. Step 2: Convert to fraction form
    3,730.75/5,148.44 = 2,074.75/x
  3. Step 3: Cross multiply
    3,730.75x = 5,148.44 × 2,074.75
  4. Step 4: Simplify right side
    3,730.75x = 10,681,725.89
  5. Step 5: Solve for x
    x = 10,681,725.89/3,730.75
  6. Step 6: Final answer
    x = 2,863.16

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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.