Home / 7,259.57-10,017.61-4,072.43

Finding the Fourth Proportional to 7,259.57, 10,017.61 and 4,072.43

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Solution

The fourth proportional to 7,259.57, 10,017.61 and 4,072.43 is: 5,619.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,259.57 : 10,017.61 = 4,072.43 : x
  2. Step 2: Convert to fraction form
    7,259.57/10,017.61 = 4,072.43/x
  3. Step 3: Cross multiply
    7,259.57x = 10,017.61 × 4,072.43
  4. Step 4: Simplify right side
    7,259.57x = 40,795,955.22
  5. Step 5: Solve for x
    x = 40,795,955.22/7,259.57
  6. Step 6: Final answer
    x = 5,619.61

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1.5x scale

Why These Related Problems?

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