Home / 3,154.56-4,321.77-3,036.33

Finding the Fourth Proportional to 3,154.56, 4,321.77 and 3,036.33

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Solution

The fourth proportional to 3,154.56, 4,321.77 and 3,036.33 is: 4,159.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.56 : 4,321.77 = 3,036.33 : x
  2. Step 2: Convert to fraction form
    3,154.56/4,321.77 = 3,036.33/x
  3. Step 3: Cross multiply
    3,154.56x = 4,321.77 × 3,036.33
  4. Step 4: Simplify right side
    3,154.56x = 13,122,319.90
  5. Step 5: Solve for x
    x = 13,122,319.90/3,154.56
  6. Step 6: Final answer
    x = 4,159.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.