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Finding the Fourth Proportional to 5,077.44, 7,007.04 and 2,839.32

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Solution

The fourth proportional to 5,077.44, 7,007.04 and 2,839.32 is: 3,918.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.44 : 7,007.04 = 2,839.32 : x
  2. Step 2: Convert to fraction form
    5,077.44/7,007.04 = 2,839.32/x
  3. Step 3: Cross multiply
    5,077.44x = 7,007.04 × 2,839.32
  4. Step 4: Simplify right side
    5,077.44x = 19,895,228.81
  5. Step 5: Solve for x
    x = 19,895,228.81/5,077.44
  6. Step 6: Final answer
    x = 3,918.36

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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.