Home / 3,035.72-4,189.63-1,709.54

Finding the Fourth Proportional to 3,035.72, 4,189.63 and 1,709.54

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Solution

The fourth proportional to 3,035.72, 4,189.63 and 1,709.54 is: 2,359.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,035.72 : 4,189.63 = 1,709.54 : x
  2. Step 2: Convert to fraction form
    3,035.72/4,189.63 = 1,709.54/x
  3. Step 3: Cross multiply
    3,035.72x = 4,189.63 × 1,709.54
  4. Step 4: Simplify right side
    3,035.72x = 7,162,340.07
  5. Step 5: Solve for x
    x = 7,162,340.07/3,035.72
  6. Step 6: Final answer
    x = 2,359.36

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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.