Home / 4,172.47-5,757.69-2,283.64

Finding the Fourth Proportional to 4,172.47, 5,757.69 and 2,283.64

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Solution

The fourth proportional to 4,172.47, 5,757.69 and 2,283.64 is: 3,151.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.47 : 5,757.69 = 2,283.64 : x
  2. Step 2: Convert to fraction form
    4,172.47/5,757.69 = 2,283.64/x
  3. Step 3: Cross multiply
    4,172.47x = 5,757.69 × 2,283.64
  4. Step 4: Simplify right side
    4,172.47x = 13,148,468.11
  5. Step 5: Solve for x
    x = 13,148,468.11/4,172.47
  6. Step 6: Final answer
    x = 3,151.25

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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.