Home / 4,423.78-6,104.76-2,560.78

Finding the Fourth Proportional to 4,423.78, 6,104.76 and 2,560.78

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Solution

The fourth proportional to 4,423.78, 6,104.76 and 2,560.78 is: 3,533.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,423.78 : 6,104.76 = 2,560.78 : x
  2. Step 2: Convert to fraction form
    4,423.78/6,104.76 = 2,560.78/x
  3. Step 3: Cross multiply
    4,423.78x = 6,104.76 × 2,560.78
  4. Step 4: Simplify right side
    4,423.78x = 15,632,947.31
  5. Step 5: Solve for x
    x = 15,632,947.31/4,423.78
  6. Step 6: Final answer
    x = 3,533.84

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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.