Home / 1,778.37-2,665.50-1,573.35

Finding the Fourth Proportional to 1,778.37, 2,665.50 and 1,573.35

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Solution

The fourth proportional to 1,778.37, 2,665.50 and 1,573.35 is: 2,358.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778.37 : 2,665.50 = 1,573.35 : x
  2. Step 2: Convert to fraction form
    1,778.37/2,665.50 = 1,573.35/x
  3. Step 3: Cross multiply
    1,778.37x = 2,665.50 × 1,573.35
  4. Step 4: Simplify right side
    1,778.37x = 4,193,764.43
  5. Step 5: Solve for x
    x = 4,193,764.43/1,778.37
  6. Step 6: Final answer
    x = 2,358.21

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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.