Home / 7,199.50-9,935.31-4,055.62

Finding the Fourth Proportional to 7,199.50, 9,935.31 and 4,055.62

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Solution

The fourth proportional to 7,199.50, 9,935.31 and 4,055.62 is: 5,596.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,199.50 : 9,935.31 = 4,055.62 : x
  2. Step 2: Convert to fraction form
    7,199.50/9,935.31 = 4,055.62/x
  3. Step 3: Cross multiply
    7,199.50x = 9,935.31 × 4,055.62
  4. Step 4: Simplify right side
    7,199.50x = 40,293,841.94
  5. Step 5: Solve for x
    x = 40,293,841.94/7,199.50
  6. Step 6: Final answer
    x = 5,596.76

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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.