Home / 5,670.09-7,824.72-3,311.77

Finding the Fourth Proportional to 5,670.09, 7,824.72 and 3,311.77

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Solution

The fourth proportional to 5,670.09, 7,824.72 and 3,311.77 is: 4,570.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,670.09 : 7,824.72 = 3,311.77 : x
  2. Step 2: Convert to fraction form
    5,670.09/7,824.72 = 3,311.77/x
  3. Step 3: Cross multiply
    5,670.09x = 7,824.72 × 3,311.77
  4. Step 4: Simplify right side
    5,670.09x = 25,913,672.95
  5. Step 5: Solve for x
    x = 25,913,672.95/5,670.09
  6. Step 6: Final answer
    x = 4,570.24

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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.