Home / 7,436.98-10,262.38-4,079.74

Finding the Fourth Proportional to 7,436.98, 10,262.38 and 4,079.74

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Solution

The fourth proportional to 7,436.98, 10,262.38 and 4,079.74 is: 5,629.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,436.98 : 10,262.38 = 4,079.74 : x
  2. Step 2: Convert to fraction form
    7,436.98/10,262.38 = 4,079.74/x
  3. Step 3: Cross multiply
    7,436.98x = 10,262.38 × 4,079.74
  4. Step 4: Simplify right side
    7,436.98x = 41,867,842.18
  5. Step 5: Solve for x
    x = 41,867,842.18/7,436.98
  6. Step 6: Final answer
    x = 5,629.68

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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.