Home / 2,916.24-4,023.96-1,674

Finding the Fourth Proportional to 2,916.24, 4,023.96 and 1,674

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Solution

The fourth proportional to 2,916.24, 4,023.96 and 1,674 is: 2,309.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.24 : 4,023.96 = 1,674 : x
  2. Step 2: Convert to fraction form
    2,916.24/4,023.96 = 1,674/x
  3. Step 3: Cross multiply
    2,916.24x = 4,023.96 × 1,674
  4. Step 4: Simplify right side
    2,916.24x = 6,736,109.04
  5. Step 5: Solve for x
    x = 6,736,109.04/2,916.24
  6. Step 6: Final answer
    x = 2,309.86

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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.