Home / 5,435.52-8,153.28-1,539.93

Finding the Fourth Proportional to 5,435.52, 8,153.28 and 1,539.93

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Solution

The fourth proportional to 5,435.52, 8,153.28 and 1,539.93 is: 2,309.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.52 : 8,153.28 = 1,539.93 : x
  2. Step 2: Convert to fraction form
    5,435.52/8,153.28 = 1,539.93/x
  3. Step 3: Cross multiply
    5,435.52x = 8,153.28 × 1,539.93
  4. Step 4: Simplify right side
    5,435.52x = 12,555,435.85
  5. Step 5: Solve for x
    x = 12,555,435.85/5,435.52
  6. Step 6: Final answer
    x = 2,309.89

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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.