Home / 1,910.60-2,852.05-1,775.56

Finding the Fourth Proportional to 1,910.60, 2,852.05 and 1,775.56

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Solution

The fourth proportional to 1,910.60, 2,852.05 and 1,775.56 is: 2,650.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910.60 : 2,852.05 = 1,775.56 : x
  2. Step 2: Convert to fraction form
    1,910.60/2,852.05 = 1,775.56/x
  3. Step 3: Cross multiply
    1,910.60x = 2,852.05 × 1,775.56
  4. Step 4: Simplify right side
    1,910.60x = 5,063,985.90
  5. Step 5: Solve for x
    x = 5,063,985.90/1,910.60
  6. Step 6: Final answer
    x = 2,650.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.