Home / 5,775.06-7,969.58-3,122.47

Finding the Fourth Proportional to 5,775.06, 7,969.58 and 3,122.47

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Solution

The fourth proportional to 5,775.06, 7,969.58 and 3,122.47 is: 4,309.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775.06 : 7,969.58 = 3,122.47 : x
  2. Step 2: Convert to fraction form
    5,775.06/7,969.58 = 3,122.47/x
  3. Step 3: Cross multiply
    5,775.06x = 7,969.58 × 3,122.47
  4. Step 4: Simplify right side
    5,775.06x = 24,884,774.46
  5. Step 5: Solve for x
    x = 24,884,774.46/5,775.06
  6. Step 6: Final answer
    x = 4,309.01

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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.