Home / 5,920.86-8,871.57-4,364.04

Finding the Fourth Proportional to 5,920.86, 8,871.57 and 4,364.04

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Solution

The fourth proportional to 5,920.86, 8,871.57 and 4,364.04 is: 6,538.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.86 : 8,871.57 = 4,364.04 : x
  2. Step 2: Convert to fraction form
    5,920.86/8,871.57 = 4,364.04/x
  3. Step 3: Cross multiply
    5,920.86x = 8,871.57 × 4,364.04
  4. Step 4: Simplify right side
    5,920.86x = 38,715,886.34
  5. Step 5: Solve for x
    x = 38,715,886.34/5,920.86
  6. Step 6: Final answer
    x = 6,538.90

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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.