Home / 2,577.18-3,554.91-2,262.20

Finding the Fourth Proportional to 2,577.18, 3,554.91 and 2,262.20

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Solution

The fourth proportional to 2,577.18, 3,554.91 and 2,262.20 is: 3,120.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,577.18 : 3,554.91 = 2,262.20 : x
  2. Step 2: Convert to fraction form
    2,577.18/3,554.91 = 2,262.20/x
  3. Step 3: Cross multiply
    2,577.18x = 3,554.91 × 2,262.20
  4. Step 4: Simplify right side
    2,577.18x = 8,041,899.63
  5. Step 5: Solve for x
    x = 8,041,899.63/2,577.18
  6. Step 6: Final answer
    x = 3,120.43

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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.