Home / 4,281.39-6,422.52-1,161.45

Finding the Fourth Proportional to 4,281.39, 6,422.52 and 1,161.45

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Solution

The fourth proportional to 4,281.39, 6,422.52 and 1,161.45 is: 1,742.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.39 : 6,422.52 = 1,161.45 : x
  2. Step 2: Convert to fraction form
    4,281.39/6,422.52 = 1,161.45/x
  3. Step 3: Cross multiply
    4,281.39x = 6,422.52 × 1,161.45
  4. Step 4: Simplify right side
    4,281.39x = 7,459,435.85
  5. Step 5: Solve for x
    x = 7,459,435.85/4,281.39
  6. Step 6: Final answer
    x = 1,742.29

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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.