Home / 2,566.08-3,540-1,621.44

Finding the Fourth Proportional to 2,566.08, 3,540 and 1,621.44

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Solution

The fourth proportional to 2,566.08, 3,540 and 1,621.44 is: 2,236.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,566.08 : 3,540 = 1,621.44 : x
  2. Step 2: Convert to fraction form
    2,566.08/3,540 = 1,621.44/x
  3. Step 3: Cross multiply
    2,566.08x = 3,540 × 1,621.44
  4. Step 4: Simplify right side
    2,566.08x = 5,739,897.60
  5. Step 5: Solve for x
    x = 5,739,897.60/2,566.08
  6. Step 6: Final answer
    x = 2,236.84

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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.