Home / 1,474.22-2,221.94-1,271.24

Finding the Fourth Proportional to 1,474.22, 2,221.94 and 1,271.24

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Solution

The fourth proportional to 1,474.22, 2,221.94 and 1,271.24 is: 1,916.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.22 : 2,221.94 = 1,271.24 : x
  2. Step 2: Convert to fraction form
    1,474.22/2,221.94 = 1,271.24/x
  3. Step 3: Cross multiply
    1,474.22x = 2,221.94 × 1,271.24
  4. Step 4: Simplify right side
    1,474.22x = 2,824,619.01
  5. Step 5: Solve for x
    x = 2,824,619.01/1,474.22
  6. Step 6: Final answer
    x = 1,916.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.