Home / 7,551.15-11,326.69-2,620.77

Finding the Fourth Proportional to 7,551.15, 11,326.69 and 2,620.77

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Solution

The fourth proportional to 7,551.15, 11,326.69 and 2,620.77 is: 3,931.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,551.15 : 11,326.69 = 2,620.77 : x
  2. Step 2: Convert to fraction form
    7,551.15/11,326.69 = 2,620.77/x
  3. Step 3: Cross multiply
    7,551.15x = 11,326.69 × 2,620.77
  4. Step 4: Simplify right side
    7,551.15x = 29,684,649.35
  5. Step 5: Solve for x
    x = 29,684,649.35/7,551.15
  6. Step 6: Final answer
    x = 3,931.14

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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.