Home / 3,341.78-4,615.43-2,277.69

Finding the Fourth Proportional to 3,341.78, 4,615.43 and 2,277.69

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Solution

The fourth proportional to 3,341.78, 4,615.43 and 2,277.69 is: 3,145.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,341.78 : 4,615.43 = 2,277.69 : x
  2. Step 2: Convert to fraction form
    3,341.78/4,615.43 = 2,277.69/x
  3. Step 3: Cross multiply
    3,341.78x = 4,615.43 × 2,277.69
  4. Step 4: Simplify right side
    3,341.78x = 10,512,507.37
  5. Step 5: Solve for x
    x = 10,512,507.37/3,341.78
  6. Step 6: Final answer
    x = 3,145.79

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Half scale
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Double scale
Find fourth proportional to 3,342.78, 4,616.81 and 2,278.69
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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.