Home / 5,058.12-6,980.28-2,933.80

Finding the Fourth Proportional to 5,058.12, 6,980.28 and 2,933.80

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Solution

The fourth proportional to 5,058.12, 6,980.28 and 2,933.80 is: 4,048.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,058.12 : 6,980.28 = 2,933.80 : x
  2. Step 2: Convert to fraction form
    5,058.12/6,980.28 = 2,933.80/x
  3. Step 3: Cross multiply
    5,058.12x = 6,980.28 × 2,933.80
  4. Step 4: Simplify right side
    5,058.12x = 20,478,745.46
  5. Step 5: Solve for x
    x = 20,478,745.46/5,058.12
  6. Step 6: Final answer
    x = 4,048.69

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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.