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Finding the Fourth Proportional to 3,417.99, 5,120.54 and 1,952.73

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Solution

The fourth proportional to 3,417.99, 5,120.54 and 1,952.73 is: 2,925.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.99 : 5,120.54 = 1,952.73 : x
  2. Step 2: Convert to fraction form
    3,417.99/5,120.54 = 1,952.73/x
  3. Step 3: Cross multiply
    3,417.99x = 5,120.54 × 1,952.73
  4. Step 4: Simplify right side
    3,417.99x = 9,999,022.31
  5. Step 5: Solve for x
    x = 9,999,022.31/3,417.99
  6. Step 6: Final answer
    x = 2,925.41

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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.