Home / 5,052.60-7,571.70-1,971

Finding the Fourth Proportional to 5,052.60, 7,571.70 and 1,971

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Solution

The fourth proportional to 5,052.60, 7,571.70 and 1,971 is: 2,953.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,052.60 : 7,571.70 = 1,971 : x
  2. Step 2: Convert to fraction form
    5,052.60/7,571.70 = 1,971/x
  3. Step 3: Cross multiply
    5,052.60x = 7,571.70 × 1,971
  4. Step 4: Simplify right side
    5,052.60x = 14,923,820.70
  5. Step 5: Solve for x
    x = 14,923,820.70/5,052.60
  6. Step 6: Final answer
    x = 2,953.69

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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.