Home / 1,558.14-2,335.16-736.64

Finding the Fourth Proportional to 1,558.14, 2,335.16 and 736.64

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Solution

The fourth proportional to 1,558.14, 2,335.16 and 736.64 is: 1,103.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558.14 : 2,335.16 = 736.64 : x
  2. Step 2: Convert to fraction form
    1,558.14/2,335.16 = 736.64/x
  3. Step 3: Cross multiply
    1,558.14x = 2,335.16 × 736.64
  4. Step 4: Simplify right side
    1,558.14x = 1,720,172.26
  5. Step 5: Solve for x
    x = 1,720,172.26/1,558.14
  6. Step 6: Final answer
    x = 1,103.99

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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.