Home / 3,371.22-5,056.76-1,521.01

Finding the Fourth Proportional to 3,371.22, 5,056.76 and 1,521.01

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Solution

The fourth proportional to 3,371.22, 5,056.76 and 1,521.01 is: 2,281.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.22 : 5,056.76 = 1,521.01 : x
  2. Step 2: Convert to fraction form
    3,371.22/5,056.76 = 1,521.01/x
  3. Step 3: Cross multiply
    3,371.22x = 5,056.76 × 1,521.01
  4. Step 4: Simplify right side
    3,371.22x = 7,691,392.65
  5. Step 5: Solve for x
    x = 7,691,392.65/3,371.22
  6. Step 6: Final answer
    x = 2,281.49

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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.