Home / 3,483.58-5,221.70-1,838.46

Finding the Fourth Proportional to 3,483.58, 5,221.70 and 1,838.46

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Solution

The fourth proportional to 3,483.58, 5,221.70 and 1,838.46 is: 2,755.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,483.58 : 5,221.70 = 1,838.46 : x
  2. Step 2: Convert to fraction form
    3,483.58/5,221.70 = 1,838.46/x
  3. Step 3: Cross multiply
    3,483.58x = 5,221.70 × 1,838.46
  4. Step 4: Simplify right side
    3,483.58x = 9,599,886.58
  5. Step 5: Solve for x
    x = 9,599,886.58/3,483.58
  6. Step 6: Final answer
    x = 2,755.75

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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.