Home / 1,465.42-2,023.62-942.36

Finding the Fourth Proportional to 1,465.42, 2,023.62 and 942.36

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Solution

The fourth proportional to 1,465.42, 2,023.62 and 942.36 is: 1,301.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465.42 : 2,023.62 = 942.36 : x
  2. Step 2: Convert to fraction form
    1,465.42/2,023.62 = 942.36/x
  3. Step 3: Cross multiply
    1,465.42x = 2,023.62 × 942.36
  4. Step 4: Simplify right side
    1,465.42x = 1,906,978.54
  5. Step 5: Solve for x
    x = 1,906,978.54/1,465.42
  6. Step 6: Final answer
    x = 1,301.32

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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.