Home / 7,085.42-9,777.27-4,101.44

Finding the Fourth Proportional to 7,085.42, 9,777.27 and 4,101.44

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Solution

The fourth proportional to 7,085.42, 9,777.27 and 4,101.44 is: 5,659.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,085.42 : 9,777.27 = 4,101.44 : x
  2. Step 2: Convert to fraction form
    7,085.42/9,777.27 = 4,101.44/x
  3. Step 3: Cross multiply
    7,085.42x = 9,777.27 × 4,101.44
  4. Step 4: Simplify right side
    7,085.42x = 40,100,886.27
  5. Step 5: Solve for x
    x = 40,100,886.27/7,085.42
  6. Step 6: Final answer
    x = 5,659.63

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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.