Home / 7,620.42-10,516.26-4,476.66

Finding the Fourth Proportional to 7,620.42, 10,516.26 and 4,476.66

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Solution

The fourth proportional to 7,620.42, 10,516.26 and 4,476.66 is: 6,177.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620.42 : 10,516.26 = 4,476.66 : x
  2. Step 2: Convert to fraction form
    7,620.42/10,516.26 = 4,476.66/x
  3. Step 3: Cross multiply
    7,620.42x = 10,516.26 × 4,476.66
  4. Step 4: Simplify right side
    7,620.42x = 47,077,720.49
  5. Step 5: Solve for x
    x = 47,077,720.49/7,620.42
  6. Step 6: Final answer
    x = 6,177.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.