Home / 4,742.15-6,543.38-2,725.25

Finding the Fourth Proportional to 4,742.15, 6,543.38 and 2,725.25

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Solution

The fourth proportional to 4,742.15, 6,543.38 and 2,725.25 is: 3,760.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742.15 : 6,543.38 = 2,725.25 : x
  2. Step 2: Convert to fraction form
    4,742.15/6,543.38 = 2,725.25/x
  3. Step 3: Cross multiply
    4,742.15x = 6,543.38 × 2,725.25
  4. Step 4: Simplify right side
    4,742.15x = 17,832,320.44
  5. Step 5: Solve for x
    x = 17,832,320.44/4,742.15
  6. Step 6: Final answer
    x = 3,760.39

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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.