Home / 5,153.14-7,112.37-3,058.48

Finding the Fourth Proportional to 5,153.14, 7,112.37 and 3,058.48

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Solution

The fourth proportional to 5,153.14, 7,112.37 and 3,058.48 is: 4,221.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.14 : 7,112.37 = 3,058.48 : x
  2. Step 2: Convert to fraction form
    5,153.14/7,112.37 = 3,058.48/x
  3. Step 3: Cross multiply
    5,153.14x = 7,112.37 × 3,058.48
  4. Step 4: Simplify right side
    5,153.14x = 21,753,041.40
  5. Step 5: Solve for x
    x = 21,753,041.40/5,153.14
  6. Step 6: Final answer
    x = 4,221.32

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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.