Home / 5,207.25-7,182.27-3,316.86

Finding the Fourth Proportional to 5,207.25, 7,182.27 and 3,316.86

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Solution

The fourth proportional to 5,207.25, 7,182.27 and 3,316.86 is: 4,574.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207.25 : 7,182.27 = 3,316.86 : x
  2. Step 2: Convert to fraction form
    5,207.25/7,182.27 = 3,316.86/x
  3. Step 3: Cross multiply
    5,207.25x = 7,182.27 × 3,316.86
  4. Step 4: Simplify right side
    5,207.25x = 23,822,584.07
  5. Step 5: Solve for x
    x = 23,822,584.07/5,207.25
  6. Step 6: Final answer
    x = 4,574.89

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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.