Home / 5,075.25-7,003.85-3,085.44

Finding the Fourth Proportional to 5,075.25, 7,003.85 and 3,085.44

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Solution

The fourth proportional to 5,075.25, 7,003.85 and 3,085.44 is: 4,257.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075.25 : 7,003.85 = 3,085.44 : x
  2. Step 2: Convert to fraction form
    5,075.25/7,003.85 = 3,085.44/x
  3. Step 3: Cross multiply
    5,075.25x = 7,003.85 × 3,085.44
  4. Step 4: Simplify right side
    5,075.25x = 21,609,943.52
  5. Step 5: Solve for x
    x = 21,609,943.52/5,075.25
  6. Step 6: Final answer
    x = 4,257.91

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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.