Home / 1,197.24-1,652.94-1,072.68

Finding the Fourth Proportional to 1,197.24, 1,652.94 and 1,072.68

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Solution

The fourth proportional to 1,197.24, 1,652.94 and 1,072.68 is: 1,480.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197.24 : 1,652.94 = 1,072.68 : x
  2. Step 2: Convert to fraction form
    1,197.24/1,652.94 = 1,072.68/x
  3. Step 3: Cross multiply
    1,197.24x = 1,652.94 × 1,072.68
  4. Step 4: Simplify right side
    1,197.24x = 1,773,075.68
  5. Step 5: Solve for x
    x = 1,773,075.68/1,197.24
  6. Step 6: Final answer
    x = 1,480.97

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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.