Home / 5,476.77-7,557.99-3,119.06

Finding the Fourth Proportional to 5,476.77, 7,557.99 and 3,119.06

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Solution

The fourth proportional to 5,476.77, 7,557.99 and 3,119.06 is: 4,304.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.77 : 7,557.99 = 3,119.06 : x
  2. Step 2: Convert to fraction form
    5,476.77/7,557.99 = 3,119.06/x
  3. Step 3: Cross multiply
    5,476.77x = 7,557.99 × 3,119.06
  4. Step 4: Simplify right side
    5,476.77x = 23,573,786.50
  5. Step 5: Solve for x
    x = 23,573,786.50/5,476.77
  6. Step 6: Final answer
    x = 4,304.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.