Home / 2,355.30-3,249.57-1,347.03

Finding the Fourth Proportional to 2,355.30, 3,249.57 and 1,347.03

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Solution

The fourth proportional to 2,355.30, 3,249.57 and 1,347.03 is: 1,858.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.30 : 3,249.57 = 1,347.03 : x
  2. Step 2: Convert to fraction form
    2,355.30/3,249.57 = 1,347.03/x
  3. Step 3: Cross multiply
    2,355.30x = 3,249.57 × 1,347.03
  4. Step 4: Simplify right side
    2,355.30x = 4,377,268.28
  5. Step 5: Solve for x
    x = 4,377,268.28/2,355.30
  6. Step 6: Final answer
    x = 1,858.48

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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.