Home / 5,269.61-7,904.75-1,759.47

Finding the Fourth Proportional to 5,269.61, 7,904.75 and 1,759.47

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Solution

The fourth proportional to 5,269.61, 7,904.75 and 1,759.47 is: 2,639.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.61 : 7,904.75 = 1,759.47 : x
  2. Step 2: Convert to fraction form
    5,269.61/7,904.75 = 1,759.47/x
  3. Step 3: Cross multiply
    5,269.61x = 7,904.75 × 1,759.47
  4. Step 4: Simplify right side
    5,269.61x = 13,908,188.88
  5. Step 5: Solve for x
    x = 13,908,188.88/5,269.61
  6. Step 6: Final answer
    x = 2,639.32

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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.