Home / 4,778.59-7,160.56-2,003.74

Finding the Fourth Proportional to 4,778.59, 7,160.56 and 2,003.74

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Solution

The fourth proportional to 4,778.59, 7,160.56 and 2,003.74 is: 3,002.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778.59 : 7,160.56 = 2,003.74 : x
  2. Step 2: Convert to fraction form
    4,778.59/7,160.56 = 2,003.74/x
  3. Step 3: Cross multiply
    4,778.59x = 7,160.56 × 2,003.74
  4. Step 4: Simplify right side
    4,778.59x = 14,347,900.49
  5. Step 5: Solve for x
    x = 14,347,900.49/4,778.59
  6. Step 6: Final answer
    x = 3,002.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.