Home / 4,130.70-6,196.31-1,665.51

Finding the Fourth Proportional to 4,130.70, 6,196.31 and 1,665.51

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Solution

The fourth proportional to 4,130.70, 6,196.31 and 1,665.51 is: 2,498.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130.70 : 6,196.31 = 1,665.51 : x
  2. Step 2: Convert to fraction form
    4,130.70/6,196.31 = 1,665.51/x
  3. Step 3: Cross multiply
    4,130.70x = 6,196.31 × 1,665.51
  4. Step 4: Simplify right side
    4,130.70x = 10,320,016.27
  5. Step 5: Solve for x
    x = 10,320,016.27/4,130.70
  6. Step 6: Final answer
    x = 2,498.37

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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.