Home / 5,721.09-7,888.86-4,968.41

Finding the Fourth Proportional to 5,721.09, 7,888.86 and 4,968.41

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Solution

The fourth proportional to 5,721.09, 7,888.86 and 4,968.41 is: 6,850.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,721.09 : 7,888.86 = 4,968.41 : x
  2. Step 2: Convert to fraction form
    5,721.09/7,888.86 = 4,968.41/x
  3. Step 3: Cross multiply
    5,721.09x = 7,888.86 × 4,968.41
  4. Step 4: Simplify right side
    5,721.09x = 39,195,051.47
  5. Step 5: Solve for x
    x = 39,195,051.47/5,721.09
  6. Step 6: Final answer
    x = 6,850.98

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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.