Home / 5,168.35-7,132.48-2,930.32

Finding the Fourth Proportional to 5,168.35, 7,132.48 and 2,930.32

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Solution

The fourth proportional to 5,168.35, 7,132.48 and 2,930.32 is: 4,043.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.35 : 7,132.48 = 2,930.32 : x
  2. Step 2: Convert to fraction form
    5,168.35/7,132.48 = 2,930.32/x
  3. Step 3: Cross multiply
    5,168.35x = 7,132.48 × 2,930.32
  4. Step 4: Simplify right side
    5,168.35x = 20,900,438.56
  5. Step 5: Solve for x
    x = 20,900,438.56/5,168.35
  6. Step 6: Final answer
    x = 4,043.93

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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.