Home / 3,367.58-4,643.02-2,894.54

Finding the Fourth Proportional to 3,367.58, 4,643.02 and 2,894.54

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Solution

The fourth proportional to 3,367.58, 4,643.02 and 2,894.54 is: 3,990.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,367.58 : 4,643.02 = 2,894.54 : x
  2. Step 2: Convert to fraction form
    3,367.58/4,643.02 = 2,894.54/x
  3. Step 3: Cross multiply
    3,367.58x = 4,643.02 × 2,894.54
  4. Step 4: Simplify right side
    3,367.58x = 13,439,387.51
  5. Step 5: Solve for x
    x = 13,439,387.51/3,367.58
  6. Step 6: Final answer
    x = 3,990.82

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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.