Home / 5,813.08-8,718.88-1,916.52

Finding the Fourth Proportional to 5,813.08, 8,718.88 and 1,916.52

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Solution

The fourth proportional to 5,813.08, 8,718.88 and 1,916.52 is: 2,874.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,813.08 : 8,718.88 = 1,916.52 : x
  2. Step 2: Convert to fraction form
    5,813.08/8,718.88 = 1,916.52/x
  3. Step 3: Cross multiply
    5,813.08x = 8,718.88 × 1,916.52
  4. Step 4: Simplify right side
    5,813.08x = 16,709,907.90
  5. Step 5: Solve for x
    x = 16,709,907.90/5,813.08
  6. Step 6: Final answer
    x = 2,874.54

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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.