Home / 3,192.89-4,406.12-1,776.54

Finding the Fourth Proportional to 3,192.89, 4,406.12 and 1,776.54

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Solution

The fourth proportional to 3,192.89, 4,406.12 and 1,776.54 is: 2,451.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.89 : 4,406.12 = 1,776.54 : x
  2. Step 2: Convert to fraction form
    3,192.89/4,406.12 = 1,776.54/x
  3. Step 3: Cross multiply
    3,192.89x = 4,406.12 × 1,776.54
  4. Step 4: Simplify right side
    3,192.89x = 7,827,648.42
  5. Step 5: Solve for x
    x = 7,827,648.42/3,192.89
  6. Step 6: Final answer
    x = 2,451.59

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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.