Home / 2,101.92-3,153.44-1,006.24

Finding the Fourth Proportional to 2,101.92, 3,153.44 and 1,006.24

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Solution

The fourth proportional to 2,101.92, 3,153.44 and 1,006.24 is: 1,509.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101.92 : 3,153.44 = 1,006.24 : x
  2. Step 2: Convert to fraction form
    2,101.92/3,153.44 = 1,006.24/x
  3. Step 3: Cross multiply
    2,101.92x = 3,153.44 × 1,006.24
  4. Step 4: Simplify right side
    2,101.92x = 3,173,117.47
  5. Step 5: Solve for x
    x = 3,173,117.47/2,101.92
  6. Step 6: Final answer
    x = 1,509.63

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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.