Home / 5,436.32-8,191.52-4,470.77

Finding the Fourth Proportional to 5,436.32, 8,191.52 and 4,470.77

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Solution

The fourth proportional to 5,436.32, 8,191.52 and 4,470.77 is: 6,736.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.32 : 8,191.52 = 4,470.77 : x
  2. Step 2: Convert to fraction form
    5,436.32/8,191.52 = 4,470.77/x
  3. Step 3: Cross multiply
    5,436.32x = 8,191.52 × 4,470.77
  4. Step 4: Simplify right side
    5,436.32x = 36,622,358.11
  5. Step 5: Solve for x
    x = 36,622,358.11/5,436.32
  6. Step 6: Final answer
    x = 6,736.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.