Home / 2,968.08-4,420.72-2,811.94

Finding the Fourth Proportional to 2,968.08, 4,420.72 and 2,811.94

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Solution

The fourth proportional to 2,968.08, 4,420.72 and 2,811.94 is: 4,188.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,968.08 : 4,420.72 = 2,811.94 : x
  2. Step 2: Convert to fraction form
    2,968.08/4,420.72 = 2,811.94/x
  3. Step 3: Cross multiply
    2,968.08x = 4,420.72 × 2,811.94
  4. Step 4: Simplify right side
    2,968.08x = 12,430,799.40
  5. Step 5: Solve for x
    x = 12,430,799.40/2,968.08
  6. Step 6: Final answer
    x = 4,188.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.