Home / 8,075.77-12,115.00-2,528.01

Finding the Fourth Proportional to 8,075.77, 12,115.00 and 2,528.01

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Solution

The fourth proportional to 8,075.77, 12,115.00 and 2,528.01 is: 3,792.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075.77 : 12,115.00 = 2,528.01 : x
  2. Step 2: Convert to fraction form
    8,075.77/12,115.00 = 2,528.01/x
  3. Step 3: Cross multiply
    8,075.77x = 12,115.00 × 2,528.01
  4. Step 4: Simplify right side
    8,075.77x = 30,626,844.31
  5. Step 5: Solve for x
    x = 30,626,844.31/8,075.77
  6. Step 6: Final answer
    x = 3,792.44

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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.