Home / 7,201.09-10,775.96-4,980.37

Finding the Fourth Proportional to 7,201.09, 10,775.96 and 4,980.37

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Solution

The fourth proportional to 7,201.09, 10,775.96 and 4,980.37 is: 7,452.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,201.09 : 10,775.96 = 4,980.37 : x
  2. Step 2: Convert to fraction form
    7,201.09/10,775.96 = 4,980.37/x
  3. Step 3: Cross multiply
    7,201.09x = 10,775.96 × 4,980.37
  4. Step 4: Simplify right side
    7,201.09x = 53,668,267.91
  5. Step 5: Solve for x
    x = 53,668,267.91/7,201.09
  6. Step 6: Final answer
    x = 7,452.80

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1.5x scale

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.