Home / 7,242.39-10,858.46-3,730.89

Finding the Fourth Proportional to 7,242.39, 10,858.46 and 3,730.89

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Solution

The fourth proportional to 7,242.39, 10,858.46 and 3,730.89 is: 5,593.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242.39 : 10,858.46 = 3,730.89 : x
  2. Step 2: Convert to fraction form
    7,242.39/10,858.46 = 3,730.89/x
  3. Step 3: Cross multiply
    7,242.39x = 10,858.46 × 3,730.89
  4. Step 4: Simplify right side
    7,242.39x = 40,511,650.28
  5. Step 5: Solve for x
    x = 40,511,650.28/7,242.39
  6. Step 6: Final answer
    x = 5,593.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.