Home / 5,135.64-7,084.89-4,073.82

Finding the Fourth Proportional to 5,135.64, 7,084.89 and 4,073.82

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Solution

The fourth proportional to 5,135.64, 7,084.89 and 4,073.82 is: 5,620.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.64 : 7,084.89 = 4,073.82 : x
  2. Step 2: Convert to fraction form
    5,135.64/7,084.89 = 4,073.82/x
  3. Step 3: Cross multiply
    5,135.64x = 7,084.89 × 4,073.82
  4. Step 4: Simplify right side
    5,135.64x = 28,862,566.58
  5. Step 5: Solve for x
    x = 28,862,566.58/5,135.64
  6. Step 6: Final answer
    x = 5,620.05

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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.