Home / 2,579.87-3,885.08-2,322.90

Finding the Fourth Proportional to 2,579.87, 3,885.08 and 2,322.90

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Solution

The fourth proportional to 2,579.87, 3,885.08 and 2,322.90 is: 3,498.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.87 : 3,885.08 = 2,322.90 : x
  2. Step 2: Convert to fraction form
    2,579.87/3,885.08 = 2,322.90/x
  3. Step 3: Cross multiply
    2,579.87x = 3,885.08 × 2,322.90
  4. Step 4: Simplify right side
    2,579.87x = 9,024,640.72
  5. Step 5: Solve for x
    x = 9,024,640.72/2,579.87
  6. Step 6: Final answer
    x = 3,498.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.