Home / 7,580.16-11,369.52-2,648.88

Finding the Fourth Proportional to 7,580.16, 11,369.52 and 2,648.88

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Solution

The fourth proportional to 7,580.16, 11,369.52 and 2,648.88 is: 3,973.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,580.16 : 11,369.52 = 2,648.88 : x
  2. Step 2: Convert to fraction form
    7,580.16/11,369.52 = 2,648.88/x
  3. Step 3: Cross multiply
    7,580.16x = 11,369.52 × 2,648.88
  4. Step 4: Simplify right side
    7,580.16x = 30,116,494.14
  5. Step 5: Solve for x
    x = 30,116,494.14/7,580.16
  6. Step 6: Final answer
    x = 3,973.07

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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.