Home / 5,537.97-7,642.35-3,180.12

Finding the Fourth Proportional to 5,537.97, 7,642.35 and 3,180.12

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Solution

The fourth proportional to 5,537.97, 7,642.35 and 3,180.12 is: 4,388.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,537.97 : 7,642.35 = 3,180.12 : x
  2. Step 2: Convert to fraction form
    5,537.97/7,642.35 = 3,180.12/x
  3. Step 3: Cross multiply
    5,537.97x = 7,642.35 × 3,180.12
  4. Step 4: Simplify right side
    5,537.97x = 24,303,590.08
  5. Step 5: Solve for x
    x = 24,303,590.08/5,537.97
  6. Step 6: Final answer
    x = 4,388.54

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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.