Home / 2,778.09-3,833.64-1,598.91

Finding the Fourth Proportional to 2,778.09, 3,833.64 and 1,598.91

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Solution

The fourth proportional to 2,778.09, 3,833.64 and 1,598.91 is: 2,206.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778.09 : 3,833.64 = 1,598.91 : x
  2. Step 2: Convert to fraction form
    2,778.09/3,833.64 = 1,598.91/x
  3. Step 3: Cross multiply
    2,778.09x = 3,833.64 × 1,598.91
  4. Step 4: Simplify right side
    2,778.09x = 6,129,645.33
  5. Step 5: Solve for x
    x = 6,129,645.33/2,778.09
  6. Step 6: Final answer
    x = 2,206.42

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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.