Home / 5,865.05-8,797.68-1,916.35

Finding the Fourth Proportional to 5,865.05, 8,797.68 and 1,916.35

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Solution

The fourth proportional to 5,865.05, 8,797.68 and 1,916.35 is: 2,874.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,865.05 : 8,797.68 = 1,916.35 : x
  2. Step 2: Convert to fraction form
    5,865.05/8,797.68 = 1,916.35/x
  3. Step 3: Cross multiply
    5,865.05x = 8,797.68 × 1,916.35
  4. Step 4: Simplify right side
    5,865.05x = 16,859,412.07
  5. Step 5: Solve for x
    x = 16,859,412.07/5,865.05
  6. Step 6: Final answer
    x = 2,874.55

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1.5x scale

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.