Home / 1,579.33-2,180.42-1,048.96

Finding the Fourth Proportional to 1,579.33, 2,180.42 and 1,048.96

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Solution

The fourth proportional to 1,579.33, 2,180.42 and 1,048.96 is: 1,448.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579.33 : 2,180.42 = 1,048.96 : x
  2. Step 2: Convert to fraction form
    1,579.33/2,180.42 = 1,048.96/x
  3. Step 3: Cross multiply
    1,579.33x = 2,180.42 × 1,048.96
  4. Step 4: Simplify right side
    1,579.33x = 2,287,173.36
  5. Step 5: Solve for x
    x = 2,287,173.36/1,579.33
  6. Step 6: Final answer
    x = 1,448.19

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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.