Home / 3,556.19-4,905-2,375.21

Finding the Fourth Proportional to 3,556.19, 4,905 and 2,375.21

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Solution

The fourth proportional to 3,556.19, 4,905 and 2,375.21 is: 3,276.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.19 : 4,905 = 2,375.21 : x
  2. Step 2: Convert to fraction form
    3,556.19/4,905 = 2,375.21/x
  3. Step 3: Cross multiply
    3,556.19x = 4,905 × 2,375.21
  4. Step 4: Simplify right side
    3,556.19x = 11,650,405.05
  5. Step 5: Solve for x
    x = 11,650,405.05/3,556.19
  6. Step 6: Final answer
    x = 3,276.09

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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.