Home / 1,465.76-2,023.40-935.36

Finding the Fourth Proportional to 1,465.76, 2,023.40 and 935.36

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Solution

The fourth proportional to 1,465.76, 2,023.40 and 935.36 is: 1,291.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465.76 : 2,023.40 = 935.36 : x
  2. Step 2: Convert to fraction form
    1,465.76/2,023.40 = 935.36/x
  3. Step 3: Cross multiply
    1,465.76x = 2,023.40 × 935.36
  4. Step 4: Simplify right side
    1,465.76x = 1,892,607.42
  5. Step 5: Solve for x
    x = 1,892,607.42/1,465.76
  6. Step 6: Final answer
    x = 1,291.21

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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.