Home / 7,927.88-10,940.56-4,391.44

Finding the Fourth Proportional to 7,927.88, 10,940.56 and 4,391.44

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Solution

The fourth proportional to 7,927.88, 10,940.56 and 4,391.44 is: 6,060.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.88 : 10,940.56 = 4,391.44 : x
  2. Step 2: Convert to fraction form
    7,927.88/10,940.56 = 4,391.44/x
  3. Step 3: Cross multiply
    7,927.88x = 10,940.56 × 4,391.44
  4. Step 4: Simplify right side
    7,927.88x = 48,044,812.81
  5. Step 5: Solve for x
    x = 48,044,812.81/7,927.88
  6. Step 6: Final answer
    x = 6,060.23

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1.5x scale

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.