Home / 5,145.63-7,094.34-4,200.45

Finding the Fourth Proportional to 5,145.63, 7,094.34 and 4,200.45

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Solution

The fourth proportional to 5,145.63, 7,094.34 and 4,200.45 is: 5,791.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,145.63 : 7,094.34 = 4,200.45 : x
  2. Step 2: Convert to fraction form
    5,145.63/7,094.34 = 4,200.45/x
  3. Step 3: Cross multiply
    5,145.63x = 7,094.34 × 4,200.45
  4. Step 4: Simplify right side
    5,145.63x = 29,799,420.45
  5. Step 5: Solve for x
    x = 29,799,420.45/5,145.63
  6. Step 6: Final answer
    x = 5,791.21

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.