Home / 5,043.39-6,959.86-2,805.19

Finding the Fourth Proportional to 5,043.39, 6,959.86 and 2,805.19

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Solution

The fourth proportional to 5,043.39, 6,959.86 and 2,805.19 is: 3,871.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,043.39 : 6,959.86 = 2,805.19 : x
  2. Step 2: Convert to fraction form
    5,043.39/6,959.86 = 2,805.19/x
  3. Step 3: Cross multiply
    5,043.39x = 6,959.86 × 2,805.19
  4. Step 4: Simplify right side
    5,043.39x = 19,523,729.67
  5. Step 5: Solve for x
    x = 19,523,729.67/5,043.39
  6. Step 6: Final answer
    x = 3,871.15

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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.