Home / 5,087.48-7,015.56-3,408.62

Finding the Fourth Proportional to 5,087.48, 7,015.56 and 3,408.62

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Solution

The fourth proportional to 5,087.48, 7,015.56 and 3,408.62 is: 4,700.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.48 : 7,015.56 = 3,408.62 : x
  2. Step 2: Convert to fraction form
    5,087.48/7,015.56 = 3,408.62/x
  3. Step 3: Cross multiply
    5,087.48x = 7,015.56 × 3,408.62
  4. Step 4: Simplify right side
    5,087.48x = 23,913,378.13
  5. Step 5: Solve for x
    x = 23,913,378.13/5,087.48
  6. Step 6: Final answer
    x = 4,700.44

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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.