Home / 3,119.11-4,645.80-3,054.22

Finding the Fourth Proportional to 3,119.11, 4,645.80 and 3,054.22

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Solution

The fourth proportional to 3,119.11, 4,645.80 and 3,054.22 is: 4,549.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.11 : 4,645.80 = 3,054.22 : x
  2. Step 2: Convert to fraction form
    3,119.11/4,645.80 = 3,054.22/x
  3. Step 3: Cross multiply
    3,119.11x = 4,645.80 × 3,054.22
  4. Step 4: Simplify right side
    3,119.11x = 14,189,283.66
  5. Step 5: Solve for x
    x = 14,189,283.66/3,119.11
  6. Step 6: Final answer
    x = 4,549.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.