Home / 3,274.72-4,519.02-1,858.36

Finding the Fourth Proportional to 3,274.72, 4,519.02 and 1,858.36

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Solution

The fourth proportional to 3,274.72, 4,519.02 and 1,858.36 is: 2,564.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,274.72 : 4,519.02 = 1,858.36 : x
  2. Step 2: Convert to fraction form
    3,274.72/4,519.02 = 1,858.36/x
  3. Step 3: Cross multiply
    3,274.72x = 4,519.02 × 1,858.36
  4. Step 4: Simplify right side
    3,274.72x = 8,397,966.01
  5. Step 5: Solve for x
    x = 8,397,966.01/3,274.72
  6. Step 6: Final answer
    x = 2,564.48

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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.