Home / 5,191.65-7,164.41-2,833.65

Finding the Fourth Proportional to 5,191.65, 7,164.41 and 2,833.65

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Solution

The fourth proportional to 5,191.65, 7,164.41 and 2,833.65 is: 3,910.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.65 : 7,164.41 = 2,833.65 : x
  2. Step 2: Convert to fraction form
    5,191.65/7,164.41 = 2,833.65/x
  3. Step 3: Cross multiply
    5,191.65x = 7,164.41 × 2,833.65
  4. Step 4: Simplify right side
    5,191.65x = 20,301,416.23
  5. Step 5: Solve for x
    x = 20,301,416.23/5,191.65
  6. Step 6: Final answer
    x = 3,910.40

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Half scale
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Double scale
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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.