Home / 3,135.88-4,326.32-2,074.14

Finding the Fourth Proportional to 3,135.88, 4,326.32 and 2,074.14

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Solution

The fourth proportional to 3,135.88, 4,326.32 and 2,074.14 is: 2,861.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.88 : 4,326.32 = 2,074.14 : x
  2. Step 2: Convert to fraction form
    3,135.88/4,326.32 = 2,074.14/x
  3. Step 3: Cross multiply
    3,135.88x = 4,326.32 × 2,074.14
  4. Step 4: Simplify right side
    3,135.88x = 8,973,393.36
  5. Step 5: Solve for x
    x = 8,973,393.36/3,135.88
  6. Step 6: Final answer
    x = 2,861.52

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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.