Home / 3,459.19-4,777.66-2,519.18

Finding the Fourth Proportional to 3,459.19, 4,777.66 and 2,519.18

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Solution

The fourth proportional to 3,459.19, 4,777.66 and 2,519.18 is: 3,479.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.19 : 4,777.66 = 2,519.18 : x
  2. Step 2: Convert to fraction form
    3,459.19/4,777.66 = 2,519.18/x
  3. Step 3: Cross multiply
    3,459.19x = 4,777.66 × 2,519.18
  4. Step 4: Simplify right side
    3,459.19x = 12,035,785.52
  5. Step 5: Solve for x
    x = 12,035,785.52/3,459.19
  6. Step 6: Final answer
    x = 3,479.37

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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.