Home / 6,919.67-9,549.38-3,776.03

Finding the Fourth Proportional to 6,919.67, 9,549.38 and 3,776.03

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Solution

The fourth proportional to 6,919.67, 9,549.38 and 3,776.03 is: 5,211.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.67 : 9,549.38 = 3,776.03 : x
  2. Step 2: Convert to fraction form
    6,919.67/9,549.38 = 3,776.03/x
  3. Step 3: Cross multiply
    6,919.67x = 9,549.38 × 3,776.03
  4. Step 4: Simplify right side
    6,919.67x = 36,058,726.48
  5. Step 5: Solve for x
    x = 36,058,726.48/6,919.67
  6. Step 6: Final answer
    x = 5,211.05

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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.