Home / 4,783.61-7,172.47-1,662.27

Finding the Fourth Proportional to 4,783.61, 7,172.47 and 1,662.27

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Solution

The fourth proportional to 4,783.61, 7,172.47 and 1,662.27 is: 2,492.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,783.61 : 7,172.47 = 1,662.27 : x
  2. Step 2: Convert to fraction form
    4,783.61/7,172.47 = 1,662.27/x
  3. Step 3: Cross multiply
    4,783.61x = 7,172.47 × 1,662.27
  4. Step 4: Simplify right side
    4,783.61x = 11,922,581.71
  5. Step 5: Solve for x
    x = 11,922,581.71/4,783.61
  6. Step 6: Final answer
    x = 2,492.38

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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.