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Finding the Fourth Proportional to 5,776.00, 7,970.84 and 3,123.39

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Solution

The fourth proportional to 5,776.00, 7,970.84 and 3,123.39 is: 4,310.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,776.00 : 7,970.84 = 3,123.39 : x
  2. Step 2: Convert to fraction form
    5,776.00/7,970.84 = 3,123.39/x
  3. Step 3: Cross multiply
    5,776.00x = 7,970.84 × 3,123.39
  4. Step 4: Simplify right side
    5,776.00x = 24,896,067.93
  5. Step 5: Solve for x
    x = 24,896,067.93/5,776.00
  6. Step 6: Final answer
    x = 4,310.26

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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.