Home / 5,772.42-8,638.98-3,693.84

Finding the Fourth Proportional to 5,772.42, 8,638.98 and 3,693.84

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Solution

The fourth proportional to 5,772.42, 8,638.98 and 3,693.84 is: 5,528.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,772.42 : 8,638.98 = 3,693.84 : x
  2. Step 2: Convert to fraction form
    5,772.42/8,638.98 = 3,693.84/x
  3. Step 3: Cross multiply
    5,772.42x = 8,638.98 × 3,693.84
  4. Step 4: Simplify right side
    5,772.42x = 31,911,009.88
  5. Step 5: Solve for x
    x = 31,911,009.88/5,772.42
  6. Step 6: Final answer
    x = 5,528.19

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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.