Home / 4,743.19-7,116.41-1,782.06

Finding the Fourth Proportional to 4,743.19, 7,116.41 and 1,782.06

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Solution

The fourth proportional to 4,743.19, 7,116.41 and 1,782.06 is: 2,673.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,743.19 : 7,116.41 = 1,782.06 : x
  2. Step 2: Convert to fraction form
    4,743.19/7,116.41 = 1,782.06/x
  3. Step 3: Cross multiply
    4,743.19x = 7,116.41 × 1,782.06
  4. Step 4: Simplify right side
    4,743.19x = 12,681,869.60
  5. Step 5: Solve for x
    x = 12,681,869.60/4,743.19
  6. Step 6: Final answer
    x = 2,673.70

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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.