Home / 2,952.48-4,075.92-2,791.68

Finding the Fourth Proportional to 2,952.48, 4,075.92 and 2,791.68

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Solution

The fourth proportional to 2,952.48, 4,075.92 and 2,791.68 is: 3,853.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,952.48 : 4,075.92 = 2,791.68 : x
  2. Step 2: Convert to fraction form
    2,952.48/4,075.92 = 2,791.68/x
  3. Step 3: Cross multiply
    2,952.48x = 4,075.92 × 2,791.68
  4. Step 4: Simplify right side
    2,952.48x = 11,378,664.35
  5. Step 5: Solve for x
    x = 11,378,664.35/2,952.48
  6. Step 6: Final answer
    x = 3,853.93

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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.