Home / 3,448.88-5,173.31-1,140.38

Finding the Fourth Proportional to 3,448.88, 5,173.31 and 1,140.38

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Solution

The fourth proportional to 3,448.88, 5,173.31 and 1,140.38 is: 1,710.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.88 : 5,173.31 = 1,140.38 : x
  2. Step 2: Convert to fraction form
    3,448.88/5,173.31 = 1,140.38/x
  3. Step 3: Cross multiply
    3,448.88x = 5,173.31 × 1,140.38
  4. Step 4: Simplify right side
    3,448.88x = 5,899,539.26
  5. Step 5: Solve for x
    x = 5,899,539.26/3,448.88
  6. Step 6: Final answer
    x = 1,710.57

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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.