Home / 5,432.15-8,143.01-1,732.34

Finding the Fourth Proportional to 5,432.15, 8,143.01 and 1,732.34

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Solution

The fourth proportional to 5,432.15, 8,143.01 and 1,732.34 is: 2,596.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.15 : 8,143.01 = 1,732.34 : x
  2. Step 2: Convert to fraction form
    5,432.15/8,143.01 = 1,732.34/x
  3. Step 3: Cross multiply
    5,432.15x = 8,143.01 × 1,732.34
  4. Step 4: Simplify right side
    5,432.15x = 14,106,412.57
  5. Step 5: Solve for x
    x = 14,106,412.57/5,432.15
  6. Step 6: Final answer
    x = 2,596.84

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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.