Home / 3,681.62-5,075.68-2,500.64

Finding the Fourth Proportional to 3,681.62, 5,075.68 and 2,500.64

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Solution

The fourth proportional to 3,681.62, 5,075.68 and 2,500.64 is: 3,447.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.62 : 5,075.68 = 2,500.64 : x
  2. Step 2: Convert to fraction form
    3,681.62/5,075.68 = 2,500.64/x
  3. Step 3: Cross multiply
    3,681.62x = 5,075.68 × 2,500.64
  4. Step 4: Simplify right side
    3,681.62x = 12,692,448.44
  5. Step 5: Solve for x
    x = 12,692,448.44/3,681.62
  6. Step 6: Final answer
    x = 3,447.52

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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.