Home / 3,611.52-5,417.28-3,133.44

Finding the Fourth Proportional to 3,611.52, 5,417.28 and 3,133.44

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Solution

The fourth proportional to 3,611.52, 5,417.28 and 3,133.44 is: 4,700.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.52 : 5,417.28 = 3,133.44 : x
  2. Step 2: Convert to fraction form
    3,611.52/5,417.28 = 3,133.44/x
  3. Step 3: Cross multiply
    3,611.52x = 5,417.28 × 3,133.44
  4. Step 4: Simplify right side
    3,611.52x = 16,974,721.84
  5. Step 5: Solve for x
    x = 16,974,721.84/3,611.52
  6. Step 6: Final answer
    x = 4,700.16

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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.