Home / 2,881.14-4,291.61-2,842.87

Finding the Fourth Proportional to 2,881.14, 4,291.61 and 2,842.87

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Solution

The fourth proportional to 2,881.14, 4,291.61 and 2,842.87 is: 4,234.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.14 : 4,291.61 = 2,842.87 : x
  2. Step 2: Convert to fraction form
    2,881.14/4,291.61 = 2,842.87/x
  3. Step 3: Cross multiply
    2,881.14x = 4,291.61 × 2,842.87
  4. Step 4: Simplify right side
    2,881.14x = 12,200,489.32
  5. Step 5: Solve for x
    x = 12,200,489.32/2,881.14
  6. Step 6: Final answer
    x = 4,234.60

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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.