Home / 5,432.84-8,143.86-3,088

Finding the Fourth Proportional to 5,432.84, 8,143.86 and 3,088

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Solution

The fourth proportional to 5,432.84, 8,143.86 and 3,088 is: 4,628.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.84 : 8,143.86 = 3,088 : x
  2. Step 2: Convert to fraction form
    5,432.84/8,143.86 = 3,088/x
  3. Step 3: Cross multiply
    5,432.84x = 8,143.86 × 3,088
  4. Step 4: Simplify right side
    5,432.84x = 25,148,239.68
  5. Step 5: Solve for x
    x = 25,148,239.68/5,432.84
  6. Step 6: Final answer
    x = 4,628.93

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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.