Home / 4,145.92-5,720.88-2,467.87

Finding the Fourth Proportional to 4,145.92, 5,720.88 and 2,467.87

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Solution

The fourth proportional to 4,145.92, 5,720.88 and 2,467.87 is: 3,405.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.92 : 5,720.88 = 2,467.87 : x
  2. Step 2: Convert to fraction form
    4,145.92/5,720.88 = 2,467.87/x
  3. Step 3: Cross multiply
    4,145.92x = 5,720.88 × 2,467.87
  4. Step 4: Simplify right side
    4,145.92x = 14,118,359.52
  5. Step 5: Solve for x
    x = 14,118,359.52/4,145.92
  6. Step 6: Final answer
    x = 3,405.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.