Home / 2,913.66-4,021.20-1,794.33

Finding the Fourth Proportional to 2,913.66, 4,021.20 and 1,794.33

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Solution

The fourth proportional to 2,913.66, 4,021.20 and 1,794.33 is: 2,476.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.66 : 4,021.20 = 1,794.33 : x
  2. Step 2: Convert to fraction form
    2,913.66/4,021.20 = 1,794.33/x
  3. Step 3: Cross multiply
    2,913.66x = 4,021.20 × 1,794.33
  4. Step 4: Simplify right side
    2,913.66x = 7,215,359.80
  5. Step 5: Solve for x
    x = 7,215,359.80/2,913.66
  6. Step 6: Final answer
    x = 2,476.39

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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.