Home / 4,741.12-6,537.86-3,147.19

Finding the Fourth Proportional to 4,741.12, 6,537.86 and 3,147.19

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Solution

The fourth proportional to 4,741.12, 6,537.86 and 3,147.19 is: 4,339.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,741.12 : 6,537.86 = 3,147.19 : x
  2. Step 2: Convert to fraction form
    4,741.12/6,537.86 = 3,147.19/x
  3. Step 3: Cross multiply
    4,741.12x = 6,537.86 × 3,147.19
  4. Step 4: Simplify right side
    4,741.12x = 20,575,887.61
  5. Step 5: Solve for x
    x = 20,575,887.61/4,741.12
  6. Step 6: Final answer
    x = 4,339.88

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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.