Home / 5,931.44-8,894.13-1,981.27

Finding the Fourth Proportional to 5,931.44, 8,894.13 and 1,981.27

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Solution

The fourth proportional to 5,931.44, 8,894.13 and 1,981.27 is: 2,970.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,931.44 : 8,894.13 = 1,981.27 : x
  2. Step 2: Convert to fraction form
    5,931.44/8,894.13 = 1,981.27/x
  3. Step 3: Cross multiply
    5,931.44x = 8,894.13 × 1,981.27
  4. Step 4: Simplify right side
    5,931.44x = 17,621,672.95
  5. Step 5: Solve for x
    x = 17,621,672.95/5,931.44
  6. Step 6: Final answer
    x = 2,970.90

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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.