Home / 5,087.52-7,014.80-4,078.41

Finding the Fourth Proportional to 5,087.52, 7,014.80 and 4,078.41

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Solution

The fourth proportional to 5,087.52, 7,014.80 and 4,078.41 is: 5,623.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.52 : 7,014.80 = 4,078.41 : x
  2. Step 2: Convert to fraction form
    5,087.52/7,014.80 = 4,078.41/x
  3. Step 3: Cross multiply
    5,087.52x = 7,014.80 × 4,078.41
  4. Step 4: Simplify right side
    5,087.52x = 28,609,210.08
  5. Step 5: Solve for x
    x = 28,609,210.08/5,087.52
  6. Step 6: Final answer
    x = 5,623.41

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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.