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Finding the Fourth Proportional to 2,803.77, 3,860.51 and 2,404.89

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Solution

The fourth proportional to 2,803.77, 3,860.51 and 2,404.89 is: 3,311.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803.77 : 3,860.51 = 2,404.89 : x
  2. Step 2: Convert to fraction form
    2,803.77/3,860.51 = 2,404.89/x
  3. Step 3: Cross multiply
    2,803.77x = 3,860.51 × 2,404.89
  4. Step 4: Simplify right side
    2,803.77x = 9,284,089.87
  5. Step 5: Solve for x
    x = 9,284,089.87/2,803.77
  6. Step 6: Final answer
    x = 3,311.29

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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.