Home / 1,558.68-2,333.66-1,174.20

Finding the Fourth Proportional to 1,558.68, 2,333.66 and 1,174.20

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Solution

The fourth proportional to 1,558.68, 2,333.66 and 1,174.20 is: 1,758.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558.68 : 2,333.66 = 1,174.20 : x
  2. Step 2: Convert to fraction form
    1,558.68/2,333.66 = 1,174.20/x
  3. Step 3: Cross multiply
    1,558.68x = 2,333.66 × 1,174.20
  4. Step 4: Simplify right side
    1,558.68x = 2,740,177.70
  5. Step 5: Solve for x
    x = 2,740,177.70/1,558.68
  6. Step 6: Final answer
    x = 1,758.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.