Home / 3,471.30-4,789.63-2,054.28

Finding the Fourth Proportional to 3,471.30, 4,789.63 and 2,054.28

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Solution

The fourth proportional to 3,471.30, 4,789.63 and 2,054.28 is: 2,834.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,471.30 : 4,789.63 = 2,054.28 : x
  2. Step 2: Convert to fraction form
    3,471.30/4,789.63 = 2,054.28/x
  3. Step 3: Cross multiply
    3,471.30x = 4,789.63 × 2,054.28
  4. Step 4: Simplify right side
    3,471.30x = 9,839,244.81
  5. Step 5: Solve for x
    x = 9,839,244.81/3,471.30
  6. Step 6: Final answer
    x = 2,834.46

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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.