Home / 5,075.17-7,003.25-3,186.15

Finding the Fourth Proportional to 5,075.17, 7,003.25 and 3,186.15

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Solution

The fourth proportional to 5,075.17, 7,003.25 and 3,186.15 is: 4,396.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075.17 : 7,003.25 = 3,186.15 : x
  2. Step 2: Convert to fraction form
    5,075.17/7,003.25 = 3,186.15/x
  3. Step 3: Cross multiply
    5,075.17x = 7,003.25 × 3,186.15
  4. Step 4: Simplify right side
    5,075.17x = 22,313,389.06
  5. Step 5: Solve for x
    x = 22,313,389.06/5,075.17
  6. Step 6: Final answer
    x = 4,396.58

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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.