Home / 5,321.03-7,344.79-3,085.16

Finding the Fourth Proportional to 5,321.03, 7,344.79 and 3,085.16

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Solution

The fourth proportional to 5,321.03, 7,344.79 and 3,085.16 is: 4,258.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321.03 : 7,344.79 = 3,085.16 : x
  2. Step 2: Convert to fraction form
    5,321.03/7,344.79 = 3,085.16/x
  3. Step 3: Cross multiply
    5,321.03x = 7,344.79 × 3,085.16
  4. Step 4: Simplify right side
    5,321.03x = 22,659,807.88
  5. Step 5: Solve for x
    x = 22,659,807.88/5,321.03
  6. Step 6: Final answer
    x = 4,258.54

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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.