Home / 4,091.38-5,646.16-2,228.38

Finding the Fourth Proportional to 4,091.38, 5,646.16 and 2,228.38

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Solution

The fourth proportional to 4,091.38, 5,646.16 and 2,228.38 is: 3,075.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,091.38 : 5,646.16 = 2,228.38 : x
  2. Step 2: Convert to fraction form
    4,091.38/5,646.16 = 2,228.38/x
  3. Step 3: Cross multiply
    4,091.38x = 5,646.16 × 2,228.38
  4. Step 4: Simplify right side
    4,091.38x = 12,581,756.22
  5. Step 5: Solve for x
    x = 12,581,756.22/4,091.38
  6. Step 6: Final answer
    x = 3,075.19

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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.