Home / 2,861.18-4,292.68-2,245.17

Finding the Fourth Proportional to 2,861.18, 4,292.68 and 2,245.17

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Solution

The fourth proportional to 2,861.18, 4,292.68 and 2,245.17 is: 3,368.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.18 : 4,292.68 = 2,245.17 : x
  2. Step 2: Convert to fraction form
    2,861.18/4,292.68 = 2,245.17/x
  3. Step 3: Cross multiply
    2,861.18x = 4,292.68 × 2,245.17
  4. Step 4: Simplify right side
    2,861.18x = 9,637,796.36
  5. Step 5: Solve for x
    x = 9,637,796.36/2,861.18
  6. Step 6: Final answer
    x = 3,368.47

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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.