Home / 4,372.22-6,558.24-1,085.28

Finding the Fourth Proportional to 4,372.22, 6,558.24 and 1,085.28

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Solution

The fourth proportional to 4,372.22, 6,558.24 and 1,085.28 is: 1,627.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,372.22 : 6,558.24 = 1,085.28 : x
  2. Step 2: Convert to fraction form
    4,372.22/6,558.24 = 1,085.28/x
  3. Step 3: Cross multiply
    4,372.22x = 6,558.24 × 1,085.28
  4. Step 4: Simplify right side
    4,372.22x = 7,117,526.71
  5. Step 5: Solve for x
    x = 7,117,526.71/4,372.22
  6. Step 6: Final answer
    x = 1,627.90

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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.