Home / 7,077.02-9,766.02-3,933.41

Finding the Fourth Proportional to 7,077.02, 9,766.02 and 3,933.41

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Solution

The fourth proportional to 7,077.02, 9,766.02 and 3,933.41 is: 5,427.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,077.02 : 9,766.02 = 3,933.41 : x
  2. Step 2: Convert to fraction form
    7,077.02/9,766.02 = 3,933.41/x
  3. Step 3: Cross multiply
    7,077.02x = 9,766.02 × 3,933.41
  4. Step 4: Simplify right side
    7,077.02x = 38,413,785.14
  5. Step 5: Solve for x
    x = 38,413,785.14/7,077.02
  6. Step 6: Final answer
    x = 5,427.96

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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.