Home / 3,988.04-5,505.97-2,572.42

Finding the Fourth Proportional to 3,988.04, 5,505.97 and 2,572.42

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Solution

The fourth proportional to 3,988.04, 5,505.97 and 2,572.42 is: 3,551.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988.04 : 5,505.97 = 2,572.42 : x
  2. Step 2: Convert to fraction form
    3,988.04/5,505.97 = 2,572.42/x
  3. Step 3: Cross multiply
    3,988.04x = 5,505.97 × 2,572.42
  4. Step 4: Simplify right side
    3,988.04x = 14,163,667.35
  5. Step 5: Solve for x
    x = 14,163,667.35/3,988.04
  6. Step 6: Final answer
    x = 3,551.54

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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.