Home / 2,515.96-3,774.20-2,226.16

Finding the Fourth Proportional to 2,515.96, 3,774.20 and 2,226.16

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Solution

The fourth proportional to 2,515.96, 3,774.20 and 2,226.16 is: 3,339.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515.96 : 3,774.20 = 2,226.16 : x
  2. Step 2: Convert to fraction form
    2,515.96/3,774.20 = 2,226.16/x
  3. Step 3: Cross multiply
    2,515.96x = 3,774.20 × 2,226.16
  4. Step 4: Simplify right side
    2,515.96x = 8,401,973.07
  5. Step 5: Solve for x
    x = 8,401,973.07/2,515.96
  6. Step 6: Final answer
    x = 3,339.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.