Home / 7,571.28-11,356.32-2,377.02

Finding the Fourth Proportional to 7,571.28, 11,356.32 and 2,377.02

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Solution

The fourth proportional to 7,571.28, 11,356.32 and 2,377.02 is: 3,565.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,571.28 : 11,356.32 = 2,377.02 : x
  2. Step 2: Convert to fraction form
    7,571.28/11,356.32 = 2,377.02/x
  3. Step 3: Cross multiply
    7,571.28x = 11,356.32 × 2,377.02
  4. Step 4: Simplify right side
    7,571.28x = 26,994,199.77
  5. Step 5: Solve for x
    x = 26,994,199.77/7,571.28
  6. Step 6: Final answer
    x = 3,565.34

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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.