Home / 2,851.85-4,257.14-2,464.34

Finding the Fourth Proportional to 2,851.85, 4,257.14 and 2,464.34

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Solution

The fourth proportional to 2,851.85, 4,257.14 and 2,464.34 is: 3,678.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.85 : 4,257.14 = 2,464.34 : x
  2. Step 2: Convert to fraction form
    2,851.85/4,257.14 = 2,464.34/x
  3. Step 3: Cross multiply
    2,851.85x = 4,257.14 × 2,464.34
  4. Step 4: Simplify right side
    2,851.85x = 10,491,057.19
  5. Step 5: Solve for x
    x = 10,491,057.19/2,851.85
  6. Step 6: Final answer
    x = 3,678.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.