Home / 3,519.81-5,276.07-1,327.59

Finding the Fourth Proportional to 3,519.81, 5,276.07 and 1,327.59

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Solution

The fourth proportional to 3,519.81, 5,276.07 and 1,327.59 is: 1,990.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.81 : 5,276.07 = 1,327.59 : x
  2. Step 2: Convert to fraction form
    3,519.81/5,276.07 = 1,327.59/x
  3. Step 3: Cross multiply
    3,519.81x = 5,276.07 × 1,327.59
  4. Step 4: Simplify right side
    3,519.81x = 7,004,457.77
  5. Step 5: Solve for x
    x = 7,004,457.77/3,519.81
  6. Step 6: Final answer
    x = 1,990.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.