Home / 2,586.37-3,861.99-2,516.31

Finding the Fourth Proportional to 2,586.37, 3,861.99 and 2,516.31

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Solution

The fourth proportional to 2,586.37, 3,861.99 and 2,516.31 is: 3,757.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586.37 : 3,861.99 = 2,516.31 : x
  2. Step 2: Convert to fraction form
    2,586.37/3,861.99 = 2,516.31/x
  3. Step 3: Cross multiply
    2,586.37x = 3,861.99 × 2,516.31
  4. Step 4: Simplify right side
    2,586.37x = 9,717,964.06
  5. Step 5: Solve for x
    x = 9,717,964.06/2,586.37
  6. Step 6: Final answer
    x = 3,757.38

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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.