Home / 3,462.26-4,777.92-1,890.32

Finding the Fourth Proportional to 3,462.26, 4,777.92 and 1,890.32

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Solution

The fourth proportional to 3,462.26, 4,777.92 and 1,890.32 is: 2,608.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.26 : 4,777.92 = 1,890.32 : x
  2. Step 2: Convert to fraction form
    3,462.26/4,777.92 = 1,890.32/x
  3. Step 3: Cross multiply
    3,462.26x = 4,777.92 × 1,890.32
  4. Step 4: Simplify right side
    3,462.26x = 9,031,773.84
  5. Step 5: Solve for x
    x = 9,031,773.84/3,462.26
  6. Step 6: Final answer
    x = 2,608.64

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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.