Home / 4,637.86-6,398.37-2,648.02

Finding the Fourth Proportional to 4,637.86, 6,398.37 and 2,648.02

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Solution

The fourth proportional to 4,637.86, 6,398.37 and 2,648.02 is: 3,653.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,637.86 : 6,398.37 = 2,648.02 : x
  2. Step 2: Convert to fraction form
    4,637.86/6,398.37 = 2,648.02/x
  3. Step 3: Cross multiply
    4,637.86x = 6,398.37 × 2,648.02
  4. Step 4: Simplify right side
    4,637.86x = 16,943,011.73
  5. Step 5: Solve for x
    x = 16,943,011.73/4,637.86
  6. Step 6: Final answer
    x = 3,653.20

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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.