Home / 7,915.75-10,927.10-4,933.06

Finding the Fourth Proportional to 7,915.75, 10,927.10 and 4,933.06

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Solution

The fourth proportional to 7,915.75, 10,927.10 and 4,933.06 is: 6,809.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,915.75 : 10,927.10 = 4,933.06 : x
  2. Step 2: Convert to fraction form
    7,915.75/10,927.10 = 4,933.06/x
  3. Step 3: Cross multiply
    7,915.75x = 10,927.10 × 4,933.06
  4. Step 4: Simplify right side
    7,915.75x = 53,904,039.93
  5. Step 5: Solve for x
    x = 53,904,039.93/7,915.75
  6. Step 6: Final answer
    x = 6,809.72

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