Home / 3,415.87-5,124.50-1,076.46

Finding the Fourth Proportional to 3,415.87, 5,124.50 and 1,076.46

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Solution

The fourth proportional to 3,415.87, 5,124.50 and 1,076.46 is: 1,614.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415.87 : 5,124.50 = 1,076.46 : x
  2. Step 2: Convert to fraction form
    3,415.87/5,124.50 = 1,076.46/x
  3. Step 3: Cross multiply
    3,415.87x = 5,124.50 × 1,076.46
  4. Step 4: Simplify right side
    3,415.87x = 5,516,319.27
  5. Step 5: Solve for x
    x = 5,516,319.27/3,415.87
  6. Step 6: Final answer
    x = 1,614.91

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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.