Home / 1,137.24-1,707.48-1,055.16

Finding the Fourth Proportional to 1,137.24, 1,707.48 and 1,055.16

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Solution

The fourth proportional to 1,137.24, 1,707.48 and 1,055.16 is: 1,584.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137.24 : 1,707.48 = 1,055.16 : x
  2. Step 2: Convert to fraction form
    1,137.24/1,707.48 = 1,055.16/x
  3. Step 3: Cross multiply
    1,137.24x = 1,707.48 × 1,055.16
  4. Step 4: Simplify right side
    1,137.24x = 1,801,664.60
  5. Step 5: Solve for x
    x = 1,801,664.60/1,137.24
  6. Step 6: Final answer
    x = 1,584.24

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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.