Home / 5,351.13-7,383.98-3,113.10

Finding the Fourth Proportional to 5,351.13, 7,383.98 and 3,113.10

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Solution

The fourth proportional to 5,351.13, 7,383.98 and 3,113.10 is: 4,295.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.13 : 7,383.98 = 3,113.10 : x
  2. Step 2: Convert to fraction form
    5,351.13/7,383.98 = 3,113.10/x
  3. Step 3: Cross multiply
    5,351.13x = 7,383.98 × 3,113.10
  4. Step 4: Simplify right side
    5,351.13x = 22,987,058.41
  5. Step 5: Solve for x
    x = 22,987,058.41/5,351.13
  6. Step 6: Final answer
    x = 4,295.74

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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.