Home / 4,879.37-6,733.86-2,783.63

Finding the Fourth Proportional to 4,879.37, 6,733.86 and 2,783.63

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Solution

The fourth proportional to 4,879.37, 6,733.86 and 2,783.63 is: 3,841.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.37 : 6,733.86 = 2,783.63 : x
  2. Step 2: Convert to fraction form
    4,879.37/6,733.86 = 2,783.63/x
  3. Step 3: Cross multiply
    4,879.37x = 6,733.86 × 2,783.63
  4. Step 4: Simplify right side
    4,879.37x = 18,744,574.71
  5. Step 5: Solve for x
    x = 18,744,574.71/4,879.37
  6. Step 6: Final answer
    x = 3,841.60

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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.