Home / 7,670.72-11,503.58-2,475.38

Finding the Fourth Proportional to 7,670.72, 11,503.58 and 2,475.38

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Solution

The fourth proportional to 7,670.72, 11,503.58 and 2,475.38 is: 3,712.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,670.72 : 11,503.58 = 2,475.38 : x
  2. Step 2: Convert to fraction form
    7,670.72/11,503.58 = 2,475.38/x
  3. Step 3: Cross multiply
    7,670.72x = 11,503.58 × 2,475.38
  4. Step 4: Simplify right side
    7,670.72x = 28,475,661.97
  5. Step 5: Solve for x
    x = 28,475,661.97/7,670.72
  6. Step 6: Final answer
    x = 3,712.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.