Home / 3,916.05-5,866.23-2,355.20

Finding the Fourth Proportional to 3,916.05, 5,866.23 and 2,355.20

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Solution

The fourth proportional to 3,916.05, 5,866.23 and 2,355.20 is: 3,528.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.05 : 5,866.23 = 2,355.20 : x
  2. Step 2: Convert to fraction form
    3,916.05/5,866.23 = 2,355.20/x
  3. Step 3: Cross multiply
    3,916.05x = 5,866.23 × 2,355.20
  4. Step 4: Simplify right side
    3,916.05x = 13,816,115.56
  5. Step 5: Solve for x
    x = 13,816,115.56/3,916.05
  6. Step 6: Final answer
    x = 3,528.07

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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.