Home / 7,132.22-10,693.77-3,427.07

Finding the Fourth Proportional to 7,132.22, 10,693.77 and 3,427.07

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Solution

The fourth proportional to 7,132.22, 10,693.77 and 3,427.07 is: 5,138.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,132.22 : 10,693.77 = 3,427.07 : x
  2. Step 2: Convert to fraction form
    7,132.22/10,693.77 = 3,427.07/x
  3. Step 3: Cross multiply
    7,132.22x = 10,693.77 × 3,427.07
  4. Step 4: Simplify right side
    7,132.22x = 36,648,307.95
  5. Step 5: Solve for x
    x = 36,648,307.95/7,132.22
  6. Step 6: Final answer
    x = 5,138.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.