Home / 5,135.18-7,084.89-4,055.02

Finding the Fourth Proportional to 5,135.18, 7,084.89 and 4,055.02

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Solution

The fourth proportional to 5,135.18, 7,084.89 and 4,055.02 is: 5,594.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.18 : 7,084.89 = 4,055.02 : x
  2. Step 2: Convert to fraction form
    5,135.18/7,084.89 = 4,055.02/x
  3. Step 3: Cross multiply
    5,135.18x = 7,084.89 × 4,055.02
  4. Step 4: Simplify right side
    5,135.18x = 28,729,414.16
  5. Step 5: Solve for x
    x = 28,729,414.16/5,135.18
  6. Step 6: Final answer
    x = 5,594.63

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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.