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Finding the Fourth Proportional to 5,791.04, 8,686.56 and 1,895.40

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Solution

The fourth proportional to 5,791.04, 8,686.56 and 1,895.40 is: 2,843.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,791.04 : 8,686.56 = 1,895.40 : x
  2. Step 2: Convert to fraction form
    5,791.04/8,686.56 = 1,895.40/x
  3. Step 3: Cross multiply
    5,791.04x = 8,686.56 × 1,895.40
  4. Step 4: Simplify right side
    5,791.04x = 16,464,505.82
  5. Step 5: Solve for x
    x = 16,464,505.82/5,791.04
  6. Step 6: Final answer
    x = 2,843.10

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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.