Home / 5,622.32-8,433.88-2,159.58

Finding the Fourth Proportional to 5,622.32, 8,433.88 and 2,159.58

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Solution

The fourth proportional to 5,622.32, 8,433.88 and 2,159.58 is: 3,239.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,622.32 : 8,433.88 = 2,159.58 : x
  2. Step 2: Convert to fraction form
    5,622.32/8,433.88 = 2,159.58/x
  3. Step 3: Cross multiply
    5,622.32x = 8,433.88 × 2,159.58
  4. Step 4: Simplify right side
    5,622.32x = 18,213,638.57
  5. Step 5: Solve for x
    x = 18,213,638.57/5,622.32
  6. Step 6: Final answer
    x = 3,239.52

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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.