Home / 7,311.64-10,091.96-4,515.52

Finding the Fourth Proportional to 7,311.64, 10,091.96 and 4,515.52

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Solution

The fourth proportional to 7,311.64, 10,091.96 and 4,515.52 is: 6,232.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,311.64 : 10,091.96 = 4,515.52 : x
  2. Step 2: Convert to fraction form
    7,311.64/10,091.96 = 4,515.52/x
  3. Step 3: Cross multiply
    7,311.64x = 10,091.96 × 4,515.52
  4. Step 4: Simplify right side
    7,311.64x = 45,570,447.22
  5. Step 5: Solve for x
    x = 45,570,447.22/7,311.64
  6. Step 6: Final answer
    x = 6,232.59

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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.