Home / 7,460.78-10,295.20-4,103.73

Finding the Fourth Proportional to 7,460.78, 10,295.20 and 4,103.73

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Solution

The fourth proportional to 7,460.78, 10,295.20 and 4,103.73 is: 5,662.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,460.78 : 10,295.20 = 4,103.73 : x
  2. Step 2: Convert to fraction form
    7,460.78/10,295.20 = 4,103.73/x
  3. Step 3: Cross multiply
    7,460.78x = 10,295.20 × 4,103.73
  4. Step 4: Simplify right side
    7,460.78x = 42,248,710.84
  5. Step 5: Solve for x
    x = 42,248,710.84/7,460.78
  6. Step 6: Final answer
    x = 5,662.78

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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.