Home / 2,916.13-4,023.26-2,031.61

Finding the Fourth Proportional to 2,916.13, 4,023.26 and 2,031.61

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Solution

The fourth proportional to 2,916.13, 4,023.26 and 2,031.61 is: 2,802.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.13 : 4,023.26 = 2,031.61 : x
  2. Step 2: Convert to fraction form
    2,916.13/4,023.26 = 2,031.61/x
  3. Step 3: Cross multiply
    2,916.13x = 4,023.26 × 2,031.61
  4. Step 4: Simplify right side
    2,916.13x = 8,173,685.09
  5. Step 5: Solve for x
    x = 8,173,685.09/2,916.13
  6. Step 6: Final answer
    x = 2,802.92

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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.