Home / 3,573.63-4,931.28-2,001.42

Finding the Fourth Proportional to 3,573.63, 4,931.28 and 2,001.42

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Solution

The fourth proportional to 3,573.63, 4,931.28 and 2,001.42 is: 2,761.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,573.63 : 4,931.28 = 2,001.42 : x
  2. Step 2: Convert to fraction form
    3,573.63/4,931.28 = 2,001.42/x
  3. Step 3: Cross multiply
    3,573.63x = 4,931.28 × 2,001.42
  4. Step 4: Simplify right side
    3,573.63x = 9,869,562.42
  5. Step 5: Solve for x
    x = 9,869,562.42/3,573.63
  6. Step 6: Final answer
    x = 2,761.78

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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.