Home / 2,057.13-2,838.44-1,172.91

Finding the Fourth Proportional to 2,057.13, 2,838.44 and 1,172.91

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Solution

The fourth proportional to 2,057.13, 2,838.44 and 1,172.91 is: 1,618.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057.13 : 2,838.44 = 1,172.91 : x
  2. Step 2: Convert to fraction form
    2,057.13/2,838.44 = 1,172.91/x
  3. Step 3: Cross multiply
    2,057.13x = 2,838.44 × 1,172.91
  4. Step 4: Simplify right side
    2,057.13x = 3,329,237.59
  5. Step 5: Solve for x
    x = 3,329,237.59/2,057.13
  6. Step 6: Final answer
    x = 1,618.39

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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.