Home / 5,114.63-7,058.19-3,018.75

Finding the Fourth Proportional to 5,114.63, 7,058.19 and 3,018.75

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Solution

The fourth proportional to 5,114.63, 7,058.19 and 3,018.75 is: 4,165.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.63 : 7,058.19 = 3,018.75 : x
  2. Step 2: Convert to fraction form
    5,114.63/7,058.19 = 3,018.75/x
  3. Step 3: Cross multiply
    5,114.63x = 7,058.19 × 3,018.75
  4. Step 4: Simplify right side
    5,114.63x = 21,306,911.06
  5. Step 5: Solve for x
    x = 21,306,911.06/5,114.63
  6. Step 6: Final answer
    x = 4,165.88

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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.