Home / 5,311.17-7,332.53-3,893.67

Finding the Fourth Proportional to 5,311.17, 7,332.53 and 3,893.67

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Solution

The fourth proportional to 5,311.17, 7,332.53 and 3,893.67 is: 5,375.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,311.17 : 7,332.53 = 3,893.67 : x
  2. Step 2: Convert to fraction form
    5,311.17/7,332.53 = 3,893.67/x
  3. Step 3: Cross multiply
    5,311.17x = 7,332.53 × 3,893.67
  4. Step 4: Simplify right side
    5,311.17x = 28,550,432.62
  5. Step 5: Solve for x
    x = 28,550,432.62/5,311.17
  6. Step 6: Final answer
    x = 5,375.54

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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.