Home / 1,685.44-2,325.52-1,022.24

Finding the Fourth Proportional to 1,685.44, 2,325.52 and 1,022.24

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Solution

The fourth proportional to 1,685.44, 2,325.52 and 1,022.24 is: 1,410.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685.44 : 2,325.52 = 1,022.24 : x
  2. Step 2: Convert to fraction form
    1,685.44/2,325.52 = 1,022.24/x
  3. Step 3: Cross multiply
    1,685.44x = 2,325.52 × 1,022.24
  4. Step 4: Simplify right side
    1,685.44x = 2,377,239.56
  5. Step 5: Solve for x
    x = 2,377,239.56/1,685.44
  6. Step 6: Final answer
    x = 1,410.46

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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.