Home / 1,417.44-1,954.68-1,260.48

Finding the Fourth Proportional to 1,417.44, 1,954.68 and 1,260.48

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Solution

The fourth proportional to 1,417.44, 1,954.68 and 1,260.48 is: 1,738.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417.44 : 1,954.68 = 1,260.48 : x
  2. Step 2: Convert to fraction form
    1,417.44/1,954.68 = 1,260.48/x
  3. Step 3: Cross multiply
    1,417.44x = 1,954.68 × 1,260.48
  4. Step 4: Simplify right side
    1,417.44x = 2,463,835.05
  5. Step 5: Solve for x
    x = 2,463,835.05/1,417.44
  6. Step 6: Final answer
    x = 1,738.23

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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.