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Finding the Fourth Proportional to 3,155.03, 4,736.74 and 2,695.76

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Solution

The fourth proportional to 3,155.03, 4,736.74 and 2,695.76 is: 4,047.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.03 : 4,736.74 = 2,695.76 : x
  2. Step 2: Convert to fraction form
    3,155.03/4,736.74 = 2,695.76/x
  3. Step 3: Cross multiply
    3,155.03x = 4,736.74 × 2,695.76
  4. Step 4: Simplify right side
    3,155.03x = 12,769,114.22
  5. Step 5: Solve for x
    x = 12,769,114.22/3,155.03
  6. Step 6: Final answer
    x = 4,047.22

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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.