Home / 4,929.16-7,392.42-1,642.36

Finding the Fourth Proportional to 4,929.16, 7,392.42 and 1,642.36

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Solution

The fourth proportional to 4,929.16, 7,392.42 and 1,642.36 is: 2,463.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,929.16 : 7,392.42 = 1,642.36 : x
  2. Step 2: Convert to fraction form
    4,929.16/7,392.42 = 1,642.36/x
  3. Step 3: Cross multiply
    4,929.16x = 7,392.42 × 1,642.36
  4. Step 4: Simplify right side
    4,929.16x = 12,141,014.91
  5. Step 5: Solve for x
    x = 12,141,014.91/4,929.16
  6. Step 6: Final answer
    x = 2,463.10

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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.