Home / 2,471.20-3,410.57-1,423.26

Finding the Fourth Proportional to 2,471.20, 3,410.57 and 1,423.26

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Solution

The fourth proportional to 2,471.20, 3,410.57 and 1,423.26 is: 1,964.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,471.20 : 3,410.57 = 1,423.26 : x
  2. Step 2: Convert to fraction form
    2,471.20/3,410.57 = 1,423.26/x
  3. Step 3: Cross multiply
    2,471.20x = 3,410.57 × 1,423.26
  4. Step 4: Simplify right side
    2,471.20x = 4,854,127.86
  5. Step 5: Solve for x
    x = 4,854,127.86/2,471.20
  6. Step 6: Final answer
    x = 1,964.28

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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.