Home / 2,913.27-4,020.26-1,586.99

Finding the Fourth Proportional to 2,913.27, 4,020.26 and 1,586.99

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Solution

The fourth proportional to 2,913.27, 4,020.26 and 1,586.99 is: 2,190.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.27 : 4,020.26 = 1,586.99 : x
  2. Step 2: Convert to fraction form
    2,913.27/4,020.26 = 1,586.99/x
  3. Step 3: Cross multiply
    2,913.27x = 4,020.26 × 1,586.99
  4. Step 4: Simplify right side
    2,913.27x = 6,380,084.38
  5. Step 5: Solve for x
    x = 6,380,084.38/2,913.27
  6. Step 6: Final answer
    x = 2,190.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.