Home / 7,620.03-10,515.58-4,262.85

Finding the Fourth Proportional to 7,620.03, 10,515.58 and 4,262.85

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Solution

The fourth proportional to 7,620.03, 10,515.58 and 4,262.85 is: 5,882.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620.03 : 10,515.58 = 4,262.85 : x
  2. Step 2: Convert to fraction form
    7,620.03/10,515.58 = 4,262.85/x
  3. Step 3: Cross multiply
    7,620.03x = 10,515.58 × 4,262.85
  4. Step 4: Simplify right side
    7,620.03x = 44,826,329.55
  5. Step 5: Solve for x
    x = 44,826,329.55/7,620.03
  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.