Home / 5,813.14-8,718.48-1,916.62

Finding the Fourth Proportional to 5,813.14, 8,718.48 and 1,916.62

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Solution

The fourth proportional to 5,813.14, 8,718.48 and 1,916.62 is: 2,874.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,813.14 : 8,718.48 = 1,916.62 : x
  2. Step 2: Convert to fraction form
    5,813.14/8,718.48 = 1,916.62/x
  3. Step 3: Cross multiply
    5,813.14x = 8,718.48 × 1,916.62
  4. Step 4: Simplify right side
    5,813.14x = 16,710,013.14
  5. Step 5: Solve for x
    x = 16,710,013.14/5,813.14
  6. Step 6: Final answer
    x = 2,874.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.