Home / 1,717.37-2,369.75-1,119.59

Finding the Fourth Proportional to 1,717.37, 2,369.75 and 1,119.59

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Solution

The fourth proportional to 1,717.37, 2,369.75 and 1,119.59 is: 1,544.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.37 : 2,369.75 = 1,119.59 : x
  2. Step 2: Convert to fraction form
    1,717.37/2,369.75 = 1,119.59/x
  3. Step 3: Cross multiply
    1,717.37x = 2,369.75 × 1,119.59
  4. Step 4: Simplify right side
    1,717.37x = 2,653,130.96
  5. Step 5: Solve for x
    x = 2,653,130.96/1,717.37
  6. Step 6: Final answer
    x = 1,544.88

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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.