Home / 2,325.99-3,209.55-1,331.10

Finding the Fourth Proportional to 2,325.99, 3,209.55 and 1,331.10

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Solution

The fourth proportional to 2,325.99, 3,209.55 and 1,331.10 is: 1,836.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,325.99 : 3,209.55 = 1,331.10 : x
  2. Step 2: Convert to fraction form
    2,325.99/3,209.55 = 1,331.10/x
  3. Step 3: Cross multiply
    2,325.99x = 3,209.55 × 1,331.10
  4. Step 4: Simplify right side
    2,325.99x = 4,272,232.01
  5. Step 5: Solve for x
    x = 4,272,232.01/2,325.99
  6. Step 6: Final answer
    x = 1,836.74

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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.