Home / 2,716.80-4,075.20-2,533.20

Finding the Fourth Proportional to 2,716.80, 4,075.20 and 2,533.20

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Solution

The fourth proportional to 2,716.80, 4,075.20 and 2,533.20 is: 3,799.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716.80 : 4,075.20 = 2,533.20 : x
  2. Step 2: Convert to fraction form
    2,716.80/4,075.20 = 2,533.20/x
  3. Step 3: Cross multiply
    2,716.80x = 4,075.20 × 2,533.20
  4. Step 4: Simplify right side
    2,716.80x = 10,323,296.64
  5. Step 5: Solve for x
    x = 10,323,296.64/2,716.80
  6. Step 6: Final answer
    x = 3,799.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.