Home / 3,975.63-5,485.17-2,296.43

Finding the Fourth Proportional to 3,975.63, 5,485.17 and 2,296.43

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Solution

The fourth proportional to 3,975.63, 5,485.17 and 2,296.43 is: 3,168.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.63 : 5,485.17 = 2,296.43 : x
  2. Step 2: Convert to fraction form
    3,975.63/5,485.17 = 2,296.43/x
  3. Step 3: Cross multiply
    3,975.63x = 5,485.17 × 2,296.43
  4. Step 4: Simplify right side
    3,975.63x = 12,596,281.52
  5. Step 5: Solve for x
    x = 12,596,281.52/3,975.63
  6. Step 6: Final answer
    x = 3,168.37

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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.