Home / 7,635.24-10,540.80-4,651.74

Finding the Fourth Proportional to 7,635.24, 10,540.80 and 4,651.74

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Solution

The fourth proportional to 7,635.24, 10,540.80 and 4,651.74 is: 6,421.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,635.24 : 10,540.80 = 4,651.74 : x
  2. Step 2: Convert to fraction form
    7,635.24/10,540.80 = 4,651.74/x
  3. Step 3: Cross multiply
    7,635.24x = 10,540.80 × 4,651.74
  4. Step 4: Simplify right side
    7,635.24x = 49,033,060.99
  5. Step 5: Solve for x
    x = 49,033,060.99/7,635.24
  6. Step 6: Final answer
    x = 6,421.94

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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.