Home / 7,619.95-10,515.54-4,262.82

Finding the Fourth Proportional to 7,619.95, 10,515.54 and 4,262.82

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Solution

The fourth proportional to 7,619.95, 10,515.54 and 4,262.82 is: 5,882.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.95 : 10,515.54 = 4,262.82 : x
  2. Step 2: Convert to fraction form
    7,619.95/10,515.54 = 4,262.82/x
  3. Step 3: Cross multiply
    7,619.95x = 10,515.54 × 4,262.82
  4. Step 4: Simplify right side
    7,619.95x = 44,825,845.56
  5. Step 5: Solve for x
    x = 44,825,845.56/7,619.95
  6. Step 6: Final answer
    x = 5,882.70

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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.