Home / 4,742.33-7,114.33-1,621.60

Finding the Fourth Proportional to 4,742.33, 7,114.33 and 1,621.60

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Solution

The fourth proportional to 4,742.33, 7,114.33 and 1,621.60 is: 2,432.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742.33 : 7,114.33 = 1,621.60 : x
  2. Step 2: Convert to fraction form
    4,742.33/7,114.33 = 1,621.60/x
  3. Step 3: Cross multiply
    4,742.33x = 7,114.33 × 1,621.60
  4. Step 4: Simplify right side
    4,742.33x = 11,536,597.53
  5. Step 5: Solve for x
    x = 11,536,597.53/4,742.33
  6. Step 6: Final answer
    x = 2,432.69

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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.