Home / 3,574.47-4,932.75-2,177.22

Finding the Fourth Proportional to 3,574.47, 4,932.75 and 2,177.22

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Solution

The fourth proportional to 3,574.47, 4,932.75 and 2,177.22 is: 3,004.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,574.47 : 4,932.75 = 2,177.22 : x
  2. Step 2: Convert to fraction form
    3,574.47/4,932.75 = 2,177.22/x
  3. Step 3: Cross multiply
    3,574.47x = 4,932.75 × 2,177.22
  4. Step 4: Simplify right side
    3,574.47x = 10,739,681.96
  5. Step 5: Solve for x
    x = 10,739,681.96/3,574.47
  6. Step 6: Final answer
    x = 3,004.55

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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.