Home / 2,053.14-2,832.43-1,389.76

Finding the Fourth Proportional to 2,053.14, 2,832.43 and 1,389.76

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Solution

The fourth proportional to 2,053.14, 2,832.43 and 1,389.76 is: 1,917.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,053.14 : 2,832.43 = 1,389.76 : x
  2. Step 2: Convert to fraction form
    2,053.14/2,832.43 = 1,389.76/x
  3. Step 3: Cross multiply
    2,053.14x = 2,832.43 × 1,389.76
  4. Step 4: Simplify right side
    2,053.14x = 3,936,397.92
  5. Step 5: Solve for x
    x = 3,936,397.92/2,053.14
  6. Step 6: Final answer
    x = 1,917.26

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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.