Home / 2,471.88-3,389.55-2,389.08

Finding the Fourth Proportional to 2,471.88, 3,389.55 and 2,389.08

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Solution

The fourth proportional to 2,471.88, 3,389.55 and 2,389.08 is: 3,276.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,471.88 : 3,389.55 = 2,389.08 : x
  2. Step 2: Convert to fraction form
    2,471.88/3,389.55 = 2,389.08/x
  3. Step 3: Cross multiply
    2,471.88x = 3,389.55 × 2,389.08
  4. Step 4: Simplify right side
    2,471.88x = 8,097,906.11
  5. Step 5: Solve for x
    x = 8,097,906.11/2,471.88
  6. Step 6: Final answer
    x = 3,276.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.