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Finding the Fourth Proportional to 3,927.99, 5,888.70 and 2,692.38

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Solution

The fourth proportional to 3,927.99, 5,888.70 and 2,692.38 is: 4,036.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.99 : 5,888.70 = 2,692.38 : x
  2. Step 2: Convert to fraction form
    3,927.99/5,888.70 = 2,692.38/x
  3. Step 3: Cross multiply
    3,927.99x = 5,888.70 × 2,692.38
  4. Step 4: Simplify right side
    3,927.99x = 15,854,618.11
  5. Step 5: Solve for x
    x = 15,854,618.11/3,927.99
  6. Step 6: Final answer
    x = 4,036.32

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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.