Home / 2,357.45-3,533.68-1,122.26

Finding the Fourth Proportional to 2,357.45, 3,533.68 and 1,122.26

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Solution

The fourth proportional to 2,357.45, 3,533.68 and 1,122.26 is: 1,682.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,357.45 : 3,533.68 = 1,122.26 : x
  2. Step 2: Convert to fraction form
    2,357.45/3,533.68 = 1,122.26/x
  3. Step 3: Cross multiply
    2,357.45x = 3,533.68 × 1,122.26
  4. Step 4: Simplify right side
    2,357.45x = 3,965,685.14
  5. Step 5: Solve for x
    x = 3,965,685.14/2,357.45
  6. Step 6: Final answer
    x = 1,682.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.