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Finding the Fourth Proportional to 4,751.96, 6,557.77 and 2,865.51

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Solution

The fourth proportional to 4,751.96, 6,557.77 and 2,865.51 is: 3,954.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751.96 : 6,557.77 = 2,865.51 : x
  2. Step 2: Convert to fraction form
    4,751.96/6,557.77 = 2,865.51/x
  3. Step 3: Cross multiply
    4,751.96x = 6,557.77 × 2,865.51
  4. Step 4: Simplify right side
    4,751.96x = 18,791,355.51
  5. Step 5: Solve for x
    x = 18,791,355.51/4,751.96
  6. Step 6: Final answer
    x = 3,954.44

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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.