Home / 5,188.50-7,161.84-3,697.02

Finding the Fourth Proportional to 5,188.50, 7,161.84 and 3,697.02

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Solution

The fourth proportional to 5,188.50, 7,161.84 and 3,697.02 is: 5,103.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188.50 : 7,161.84 = 3,697.02 : x
  2. Step 2: Convert to fraction form
    5,188.50/7,161.84 = 3,697.02/x
  3. Step 3: Cross multiply
    5,188.50x = 7,161.84 × 3,697.02
  4. Step 4: Simplify right side
    5,188.50x = 26,477,465.72
  5. Step 5: Solve for x
    x = 26,477,465.72/5,188.50
  6. Step 6: Final answer
    x = 5,103.11

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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.