Home / 3,526.36-5,289.71-1,965.19

Finding the Fourth Proportional to 3,526.36, 5,289.71 and 1,965.19

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Solution

The fourth proportional to 3,526.36, 5,289.71 and 1,965.19 is: 2,947.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526.36 : 5,289.71 = 1,965.19 : x
  2. Step 2: Convert to fraction form
    3,526.36/5,289.71 = 1,965.19/x
  3. Step 3: Cross multiply
    3,526.36x = 5,289.71 × 1,965.19
  4. Step 4: Simplify right side
    3,526.36x = 10,395,285.19
  5. Step 5: Solve for x
    x = 10,395,285.19/3,526.36
  6. Step 6: Final answer
    x = 2,947.88

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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.