Home / 2,795.70-4,192.39-1,040.82

Finding the Fourth Proportional to 2,795.70, 4,192.39 and 1,040.82

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Solution

The fourth proportional to 2,795.70, 4,192.39 and 1,040.82 is: 1,560.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.70 : 4,192.39 = 1,040.82 : x
  2. Step 2: Convert to fraction form
    2,795.70/4,192.39 = 1,040.82/x
  3. Step 3: Cross multiply
    2,795.70x = 4,192.39 × 1,040.82
  4. Step 4: Simplify right side
    2,795.70x = 4,363,523.36
  5. Step 5: Solve for x
    x = 4,363,523.36/2,795.70
  6. Step 6: Final answer
    x = 1,560.80

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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.