Home / 5,170.84-7,755.62-1,473.40

Finding the Fourth Proportional to 5,170.84, 7,755.62 and 1,473.40

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Solution

The fourth proportional to 5,170.84, 7,755.62 and 1,473.40 is: 2,209.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.84 : 7,755.62 = 1,473.40 : x
  2. Step 2: Convert to fraction form
    5,170.84/7,755.62 = 1,473.40/x
  3. Step 3: Cross multiply
    5,170.84x = 7,755.62 × 1,473.40
  4. Step 4: Simplify right side
    5,170.84x = 11,427,130.51
  5. Step 5: Solve for x
    x = 11,427,130.51/5,170.84
  6. Step 6: Final answer
    x = 2,209.92

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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.