Home / 5,172.56-7,754.45-2,360.39

Finding the Fourth Proportional to 5,172.56, 7,754.45 and 2,360.39

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Solution

The fourth proportional to 5,172.56, 7,754.45 and 2,360.39 is: 3,538.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172.56 : 7,754.45 = 2,360.39 : x
  2. Step 2: Convert to fraction form
    5,172.56/7,754.45 = 2,360.39/x
  3. Step 3: Cross multiply
    5,172.56x = 7,754.45 × 2,360.39
  4. Step 4: Simplify right side
    5,172.56x = 18,303,475.66
  5. Step 5: Solve for x
    x = 18,303,475.66/5,172.56
  6. Step 6: Final answer
    x = 3,538.57

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1.5x scale

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.