Home / 3,509.11-4,842.56-1,937.19

Finding the Fourth Proportional to 3,509.11, 4,842.56 and 1,937.19

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Solution

The fourth proportional to 3,509.11, 4,842.56 and 1,937.19 is: 2,673.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.11 : 4,842.56 = 1,937.19 : x
  2. Step 2: Convert to fraction form
    3,509.11/4,842.56 = 1,937.19/x
  3. Step 3: Cross multiply
    3,509.11x = 4,842.56 × 1,937.19
  4. Step 4: Simplify right side
    3,509.11x = 9,380,949.12
  5. Step 5: Solve for x
    x = 9,380,949.12/3,509.11
  6. Step 6: Final answer
    x = 2,673.32

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Half scale
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Double scale
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Similar ratio
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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.