Home / 7,822.32-10,792.54-4,677.90

Finding the Fourth Proportional to 7,822.32, 10,792.54 and 4,677.90

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Solution

The fourth proportional to 7,822.32, 10,792.54 and 4,677.90 is: 6,454.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,822.32 : 10,792.54 = 4,677.90 : x
  2. Step 2: Convert to fraction form
    7,822.32/10,792.54 = 4,677.90/x
  3. Step 3: Cross multiply
    7,822.32x = 10,792.54 × 4,677.90
  4. Step 4: Simplify right side
    7,822.32x = 50,486,422.87
  5. Step 5: Solve for x
    x = 50,486,422.87/7,822.32
  6. Step 6: Final answer
    x = 6,454.15

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Why These Related Problems?

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