Home / 7,255.41-10,861.25-4,782.48

Finding the Fourth Proportional to 7,255.41, 10,861.25 and 4,782.48

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Solution

The fourth proportional to 7,255.41, 10,861.25 and 4,782.48 is: 7,159.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255.41 : 10,861.25 = 4,782.48 : x
  2. Step 2: Convert to fraction form
    7,255.41/10,861.25 = 4,782.48/x
  3. Step 3: Cross multiply
    7,255.41x = 10,861.25 × 4,782.48
  4. Step 4: Simplify right side
    7,255.41x = 51,943,686.99
  5. Step 5: Solve for x
    x = 51,943,686.99/7,255.41
  6. Step 6: Final answer
    x = 7,159.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.