Home / 5,522.15-7,621.76-3,633.91

Finding the Fourth Proportional to 5,522.15, 7,621.76 and 3,633.91

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Solution

The fourth proportional to 5,522.15, 7,621.76 and 3,633.91 is: 5,015.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,522.15 : 7,621.76 = 3,633.91 : x
  2. Step 2: Convert to fraction form
    5,522.15/7,621.76 = 3,633.91/x
  3. Step 3: Cross multiply
    5,522.15x = 7,621.76 × 3,633.91
  4. Step 4: Simplify right side
    5,522.15x = 27,696,733.60
  5. Step 5: Solve for x
    x = 27,696,733.60/5,522.15
  6. Step 6: Final answer
    x = 5,015.57

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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.