Home / 2,913.22-4,020.27-1,586.93

Finding the Fourth Proportional to 2,913.22, 4,020.27 and 1,586.93

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Solution

The fourth proportional to 2,913.22, 4,020.27 and 1,586.93 is: 2,189.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.22 : 4,020.27 = 1,586.93 : x
  2. Step 2: Convert to fraction form
    2,913.22/4,020.27 = 1,586.93/x
  3. Step 3: Cross multiply
    2,913.22x = 4,020.27 × 1,586.93
  4. Step 4: Simplify right side
    2,913.22x = 6,379,861.02
  5. Step 5: Solve for x
    x = 6,379,861.02/2,913.22
  6. Step 6: Final answer
    x = 2,189.97

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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.