Home / 5,087.86-7,020.88-2,963.41

Finding the Fourth Proportional to 5,087.86, 7,020.88 and 2,963.41

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Solution

The fourth proportional to 5,087.86, 7,020.88 and 2,963.41 is: 4,089.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.86 : 7,020.88 = 2,963.41 : x
  2. Step 2: Convert to fraction form
    5,087.86/7,020.88 = 2,963.41/x
  3. Step 3: Cross multiply
    5,087.86x = 7,020.88 × 2,963.41
  4. Step 4: Simplify right side
    5,087.86x = 20,805,721.04
  5. Step 5: Solve for x
    x = 20,805,721.04/5,087.86
  6. Step 6: Final answer
    x = 4,089.29

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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.