Home / 4,247.12-5,863.86-2,656.18

Finding the Fourth Proportional to 4,247.12, 5,863.86 and 2,656.18

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Solution

The fourth proportional to 4,247.12, 5,863.86 and 2,656.18 is: 3,667.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.12 : 5,863.86 = 2,656.18 : x
  2. Step 2: Convert to fraction form
    4,247.12/5,863.86 = 2,656.18/x
  3. Step 3: Cross multiply
    4,247.12x = 5,863.86 × 2,656.18
  4. Step 4: Simplify right side
    4,247.12x = 15,575,467.65
  5. Step 5: Solve for x
    x = 15,575,467.65/4,247.12
  6. Step 6: Final answer
    x = 3,667.30

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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.