Home / 4,861.16-7,287.40-1,782.44

Finding the Fourth Proportional to 4,861.16, 7,287.40 and 1,782.44

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Solution

The fourth proportional to 4,861.16, 7,287.40 and 1,782.44 is: 2,672.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,861.16 : 7,287.40 = 1,782.44 : x
  2. Step 2: Convert to fraction form
    4,861.16/7,287.40 = 1,782.44/x
  3. Step 3: Cross multiply
    4,861.16x = 7,287.40 × 1,782.44
  4. Step 4: Simplify right side
    4,861.16x = 12,989,353.26
  5. Step 5: Solve for x
    x = 12,989,353.26/4,861.16
  6. Step 6: Final answer
    x = 2,672.07

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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.