Home / 4,947.06-6,818.40-4,313.64

Finding the Fourth Proportional to 4,947.06, 6,818.40 and 4,313.64

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Solution

The fourth proportional to 4,947.06, 6,818.40 and 4,313.64 is: 5,945.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.06 : 6,818.40 = 4,313.64 : x
  2. Step 2: Convert to fraction form
    4,947.06/6,818.40 = 4,313.64/x
  3. Step 3: Cross multiply
    4,947.06x = 6,818.40 × 4,313.64
  4. Step 4: Simplify right side
    4,947.06x = 29,412,122.98
  5. Step 5: Solve for x
    x = 29,412,122.98/4,947.06
  6. Step 6: Final answer
    x = 5,945.37

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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.