Home / 3,132.55-4,323.05-1,735.21

Finding the Fourth Proportional to 3,132.55, 4,323.05 and 1,735.21

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Solution

The fourth proportional to 3,132.55, 4,323.05 and 1,735.21 is: 2,394.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.55 : 4,323.05 = 1,735.21 : x
  2. Step 2: Convert to fraction form
    3,132.55/4,323.05 = 1,735.21/x
  3. Step 3: Cross multiply
    3,132.55x = 4,323.05 × 1,735.21
  4. Step 4: Simplify right side
    3,132.55x = 7,501,382.31
  5. Step 5: Solve for x
    x = 7,501,382.31/3,132.55
  6. Step 6: Final answer
    x = 2,394.66

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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.