Home / 3,159.66-4,360.62-1,743.60

Finding the Fourth Proportional to 3,159.66, 4,360.62 and 1,743.60

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Solution

The fourth proportional to 3,159.66, 4,360.62 and 1,743.60 is: 2,406.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.66 : 4,360.62 = 1,743.60 : x
  2. Step 2: Convert to fraction form
    3,159.66/4,360.62 = 1,743.60/x
  3. Step 3: Cross multiply
    3,159.66x = 4,360.62 × 1,743.60
  4. Step 4: Simplify right side
    3,159.66x = 7,603,177.03
  5. Step 5: Solve for x
    x = 7,603,177.03/3,159.66
  6. Step 6: Final answer
    x = 2,406.33

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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.