Home / 3,254.83-4,491.28-1,838.34

Finding the Fourth Proportional to 3,254.83, 4,491.28 and 1,838.34

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Solution

The fourth proportional to 3,254.83, 4,491.28 and 1,838.34 is: 2,536.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.83 : 4,491.28 = 1,838.34 : x
  2. Step 2: Convert to fraction form
    3,254.83/4,491.28 = 1,838.34/x
  3. Step 3: Cross multiply
    3,254.83x = 4,491.28 × 1,838.34
  4. Step 4: Simplify right side
    3,254.83x = 8,256,499.68
  5. Step 5: Solve for x
    x = 8,256,499.68/3,254.83
  6. Step 6: Final answer
    x = 2,536.69

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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.