Home / 3,503.40-5,251.55-2,271.59

Finding the Fourth Proportional to 3,503.40, 5,251.55 and 2,271.59

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Solution

The fourth proportional to 3,503.40, 5,251.55 and 2,271.59 is: 3,405.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503.40 : 5,251.55 = 2,271.59 : x
  2. Step 2: Convert to fraction form
    3,503.40/5,251.55 = 2,271.59/x
  3. Step 3: Cross multiply
    3,503.40x = 5,251.55 × 2,271.59
  4. Step 4: Simplify right side
    3,503.40x = 11,929,349.66
  5. Step 5: Solve for x
    x = 11,929,349.66/3,503.40
  6. Step 6: Final answer
    x = 3,405.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.