Home / 8,861.48-13,291.74-2,705

Finding the Fourth Proportional to 8,861.48, 13,291.74 and 2,705

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Solution

The fourth proportional to 8,861.48, 13,291.74 and 2,705 is: 4,057.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861.48 : 13,291.74 = 2,705 : x
  2. Step 2: Convert to fraction form
    8,861.48/13,291.74 = 2,705/x
  3. Step 3: Cross multiply
    8,861.48x = 13,291.74 × 2,705
  4. Step 4: Simplify right side
    8,861.48x = 35,954,156.70
  5. Step 5: Solve for x
    x = 35,954,156.70/8,861.48
  6. Step 6: Final answer
    x = 4,057.35

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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.