Home / 2,439.24-3,665.70-1,674.60

Finding the Fourth Proportional to 2,439.24, 3,665.70 and 1,674.60

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Solution

The fourth proportional to 2,439.24, 3,665.70 and 1,674.60 is: 2,516.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439.24 : 3,665.70 = 1,674.60 : x
  2. Step 2: Convert to fraction form
    2,439.24/3,665.70 = 1,674.60/x
  3. Step 3: Cross multiply
    2,439.24x = 3,665.70 × 1,674.60
  4. Step 4: Simplify right side
    2,439.24x = 6,138,581.22
  5. Step 5: Solve for x
    x = 6,138,581.22/2,439.24
  6. Step 6: Final answer
    x = 2,516.60

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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.