Home / 3,619.11-4,995.15-2,357.91

Finding the Fourth Proportional to 3,619.11, 4,995.15 and 2,357.91

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Solution

The fourth proportional to 3,619.11, 4,995.15 and 2,357.91 is: 3,254.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.11 : 4,995.15 = 2,357.91 : x
  2. Step 2: Convert to fraction form
    3,619.11/4,995.15 = 2,357.91/x
  3. Step 3: Cross multiply
    3,619.11x = 4,995.15 × 2,357.91
  4. Step 4: Simplify right side
    3,619.11x = 11,778,118.56
  5. Step 5: Solve for x
    x = 11,778,118.56/3,619.11
  6. Step 6: Final answer
    x = 3,254.42

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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.