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Finding the Fourth Proportional to 3,847.77, 5,774.18 and 2,387.93

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Solution

The fourth proportional to 3,847.77, 5,774.18 and 2,387.93 is: 3,583.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847.77 : 5,774.18 = 2,387.93 : x
  2. Step 2: Convert to fraction form
    3,847.77/5,774.18 = 2,387.93/x
  3. Step 3: Cross multiply
    3,847.77x = 5,774.18 × 2,387.93
  4. Step 4: Simplify right side
    3,847.77x = 13,788,296.84
  5. Step 5: Solve for x
    x = 13,788,296.84/3,847.77
  6. Step 6: Final answer
    x = 3,583.45

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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.