Home / 3,919.24-5,405.70-2,594.08

Finding the Fourth Proportional to 3,919.24, 5,405.70 and 2,594.08

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Solution

The fourth proportional to 3,919.24, 5,405.70 and 2,594.08 is: 3,577.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919.24 : 5,405.70 = 2,594.08 : x
  2. Step 2: Convert to fraction form
    3,919.24/5,405.70 = 2,594.08/x
  3. Step 3: Cross multiply
    3,919.24x = 5,405.70 × 2,594.08
  4. Step 4: Simplify right side
    3,919.24x = 14,022,818.26
  5. Step 5: Solve for x
    x = 14,022,818.26/3,919.24
  6. Step 6: Final answer
    x = 3,577.94

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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.