Home / 1,406.36-2,098.09-1,176.68

Finding the Fourth Proportional to 1,406.36, 2,098.09 and 1,176.68

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Solution

The fourth proportional to 1,406.36, 2,098.09 and 1,176.68 is: 1,755.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406.36 : 2,098.09 = 1,176.68 : x
  2. Step 2: Convert to fraction form
    1,406.36/2,098.09 = 1,176.68/x
  3. Step 3: Cross multiply
    1,406.36x = 2,098.09 × 1,176.68
  4. Step 4: Simplify right side
    1,406.36x = 2,468,780.54
  5. Step 5: Solve for x
    x = 2,468,780.54/1,406.36
  6. Step 6: Final answer
    x = 1,755.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.