Home / 7,379.16-10,182.87-4,192.41

Finding the Fourth Proportional to 7,379.16, 10,182.87 and 4,192.41

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Solution

The fourth proportional to 7,379.16, 10,182.87 and 4,192.41 is: 5,785.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.16 : 10,182.87 = 4,192.41 : x
  2. Step 2: Convert to fraction form
    7,379.16/10,182.87 = 4,192.41/x
  3. Step 3: Cross multiply
    7,379.16x = 10,182.87 × 4,192.41
  4. Step 4: Simplify right side
    7,379.16x = 42,690,766.02
  5. Step 5: Solve for x
    x = 42,690,766.02/7,379.16
  6. Step 6: Final answer
    x = 5,785.32

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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.