Home / 4,946.12-7,418.64-1,248.36

Finding the Fourth Proportional to 4,946.12, 7,418.64 and 1,248.36

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Solution

The fourth proportional to 4,946.12, 7,418.64 and 1,248.36 is: 1,872.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,946.12 : 7,418.64 = 1,248.36 : x
  2. Step 2: Convert to fraction form
    4,946.12/7,418.64 = 1,248.36/x
  3. Step 3: Cross multiply
    4,946.12x = 7,418.64 × 1,248.36
  4. Step 4: Simplify right side
    4,946.12x = 9,261,133.43
  5. Step 5: Solve for x
    x = 9,261,133.43/4,946.12
  6. Step 6: Final answer
    x = 1,872.40

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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.