Home / 2,942.47-4,060.38-1,616.25

Finding the Fourth Proportional to 2,942.47, 4,060.38 and 1,616.25

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Solution

The fourth proportional to 2,942.47, 4,060.38 and 1,616.25 is: 2,230.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.47 : 4,060.38 = 1,616.25 : x
  2. Step 2: Convert to fraction form
    2,942.47/4,060.38 = 1,616.25/x
  3. Step 3: Cross multiply
    2,942.47x = 4,060.38 × 1,616.25
  4. Step 4: Simplify right side
    2,942.47x = 6,562,567.11
  5. Step 5: Solve for x
    x = 6,562,567.11/2,942.47
  6. Step 6: Final answer
    x = 2,230.29

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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.