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Finding the Fourth Proportional to 2,875.93, 3,974.16 and 2,450.32

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Solution

The fourth proportional to 2,875.93, 3,974.16 and 2,450.32 is: 3,386.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.93 : 3,974.16 = 2,450.32 : x
  2. Step 2: Convert to fraction form
    2,875.93/3,974.16 = 2,450.32/x
  3. Step 3: Cross multiply
    2,875.93x = 3,974.16 × 2,450.32
  4. Step 4: Simplify right side
    2,875.93x = 9,737,963.73
  5. Step 5: Solve for x
    x = 9,737,963.73/2,875.93
  6. Step 6: Final answer
    x = 3,386.02

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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.