Home / 5,218.09-7,158.07-4,935.62

Finding the Fourth Proportional to 5,218.09, 7,158.07 and 4,935.62

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Solution

The fourth proportional to 5,218.09, 7,158.07 and 4,935.62 is: 6,770.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218.09 : 7,158.07 = 4,935.62 : x
  2. Step 2: Convert to fraction form
    5,218.09/7,158.07 = 4,935.62/x
  3. Step 3: Cross multiply
    5,218.09x = 7,158.07 × 4,935.62
  4. Step 4: Simplify right side
    5,218.09x = 35,329,513.45
  5. Step 5: Solve for x
    x = 35,329,513.45/5,218.09
  6. Step 6: Final answer
    x = 6,770.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.