Home / 2,980.19-4,468.87-1,104.80

Finding the Fourth Proportional to 2,980.19, 4,468.87 and 1,104.80

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Solution

The fourth proportional to 2,980.19, 4,468.87 and 1,104.80 is: 1,656.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980.19 : 4,468.87 = 1,104.80 : x
  2. Step 2: Convert to fraction form
    2,980.19/4,468.87 = 1,104.80/x
  3. Step 3: Cross multiply
    2,980.19x = 4,468.87 × 1,104.80
  4. Step 4: Simplify right side
    2,980.19x = 4,937,188.78
  5. Step 5: Solve for x
    x = 4,937,188.78/2,980.19
  6. Step 6: Final answer
    x = 1,656.67

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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.