Home / 8,910.15-13,366.95-2,670.03

Finding the Fourth Proportional to 8,910.15, 13,366.95 and 2,670.03

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Solution

The fourth proportional to 8,910.15, 13,366.95 and 2,670.03 is: 4,005.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910.15 : 13,366.95 = 2,670.03 : x
  2. Step 2: Convert to fraction form
    8,910.15/13,366.95 = 2,670.03/x
  3. Step 3: Cross multiply
    8,910.15x = 13,366.95 × 2,670.03
  4. Step 4: Simplify right side
    8,910.15x = 35,690,157.51
  5. Step 5: Solve for x
    x = 35,690,157.51/8,910.15
  6. Step 6: Final answer
    x = 4,005.56

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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.