Home / 5,207.22-7,185.78-3,083.13

Finding the Fourth Proportional to 5,207.22, 7,185.78 and 3,083.13

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Solution

The fourth proportional to 5,207.22, 7,185.78 and 3,083.13 is: 4,254.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207.22 : 7,185.78 = 3,083.13 : x
  2. Step 2: Convert to fraction form
    5,207.22/7,185.78 = 3,083.13/x
  3. Step 3: Cross multiply
    5,207.22x = 7,185.78 × 3,083.13
  4. Step 4: Simplify right side
    5,207.22x = 22,154,693.89
  5. Step 5: Solve for x
    x = 22,154,693.89/5,207.22
  6. Step 6: Final answer
    x = 4,254.61

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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.