Home / 2,596.36-3,891.81-1,135.12

Finding the Fourth Proportional to 2,596.36, 3,891.81 and 1,135.12

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Solution

The fourth proportional to 2,596.36, 3,891.81 and 1,135.12 is: 1,701.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,596.36 : 3,891.81 = 1,135.12 : x
  2. Step 2: Convert to fraction form
    2,596.36/3,891.81 = 1,135.12/x
  3. Step 3: Cross multiply
    2,596.36x = 3,891.81 × 1,135.12
  4. Step 4: Simplify right side
    2,596.36x = 4,417,651.91
  5. Step 5: Solve for x
    x = 4,417,651.91/2,596.36
  6. Step 6: Final answer
    x = 1,701.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.