Home / 5,812.14-8,718.57-1,916.58

Finding the Fourth Proportional to 5,812.14, 8,718.57 and 1,916.58

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Solution

The fourth proportional to 5,812.14, 8,718.57 and 1,916.58 is: 2,874.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.14 : 8,718.57 = 1,916.58 : x
  2. Step 2: Convert to fraction form
    5,812.14/8,718.57 = 1,916.58/x
  3. Step 3: Cross multiply
    5,812.14x = 8,718.57 × 1,916.58
  4. Step 4: Simplify right side
    5,812.14x = 16,709,836.89
  5. Step 5: Solve for x
    x = 16,709,836.89/5,812.14
  6. Step 6: Final answer
    x = 2,874.99

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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.