Home / 5,211.66-7,190.07-3,193.23

Finding the Fourth Proportional to 5,211.66, 7,190.07 and 3,193.23

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Solution

The fourth proportional to 5,211.66, 7,190.07 and 3,193.23 is: 4,405.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211.66 : 7,190.07 = 3,193.23 : x
  2. Step 2: Convert to fraction form
    5,211.66/7,190.07 = 3,193.23/x
  3. Step 3: Cross multiply
    5,211.66x = 7,190.07 × 3,193.23
  4. Step 4: Simplify right side
    5,211.66x = 22,959,547.23
  5. Step 5: Solve for x
    x = 22,959,547.23/5,211.66
  6. Step 6: Final answer
    x = 4,405.42

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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.