Home / 2,132.37-2,942.81-1,200.93

Finding the Fourth Proportional to 2,132.37, 2,942.81 and 1,200.93

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Solution

The fourth proportional to 2,132.37, 2,942.81 and 1,200.93 is: 1,657.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.37 : 2,942.81 = 1,200.93 : x
  2. Step 2: Convert to fraction form
    2,132.37/2,942.81 = 1,200.93/x
  3. Step 3: Cross multiply
    2,132.37x = 2,942.81 × 1,200.93
  4. Step 4: Simplify right side
    2,132.37x = 3,534,102.81
  5. Step 5: Solve for x
    x = 3,534,102.81/2,132.37
  6. Step 6: Final answer
    x = 1,657.36

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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.