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Finding the Fourth Proportional to 3,777.01, 5,212.16 and 2,098.38

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Solution

The fourth proportional to 3,777.01, 5,212.16 and 2,098.38 is: 2,895.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777.01 : 5,212.16 = 2,098.38 : x
  2. Step 2: Convert to fraction form
    3,777.01/5,212.16 = 2,098.38/x
  3. Step 3: Cross multiply
    3,777.01x = 5,212.16 × 2,098.38
  4. Step 4: Simplify right side
    3,777.01x = 10,937,070.13
  5. Step 5: Solve for x
    x = 10,937,070.13/3,777.01
  6. Step 6: Final answer
    x = 2,895.69

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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.