Home / 2,029.36-2,800.56-1,201.36

Finding the Fourth Proportional to 2,029.36, 2,800.56 and 1,201.36

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Solution

The fourth proportional to 2,029.36, 2,800.56 and 1,201.36 is: 1,657.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029.36 : 2,800.56 = 1,201.36 : x
  2. Step 2: Convert to fraction form
    2,029.36/2,800.56 = 1,201.36/x
  3. Step 3: Cross multiply
    2,029.36x = 2,800.56 × 1,201.36
  4. Step 4: Simplify right side
    2,029.36x = 3,364,480.76
  5. Step 5: Solve for x
    x = 3,364,480.76/2,029.36
  6. Step 6: Final answer
    x = 1,657.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.