Home / 4,905.56-6,768.30-4,659.32

Finding the Fourth Proportional to 4,905.56, 6,768.30 and 4,659.32

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Solution

The fourth proportional to 4,905.56, 6,768.30 and 4,659.32 is: 6,428.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.56 : 6,768.30 = 4,659.32 : x
  2. Step 2: Convert to fraction form
    4,905.56/6,768.30 = 4,659.32/x
  3. Step 3: Cross multiply
    4,905.56x = 6,768.30 × 4,659.32
  4. Step 4: Simplify right side
    4,905.56x = 31,535,675.56
  5. Step 5: Solve for x
    x = 31,535,675.56/4,905.56
  6. Step 6: Final answer
    x = 6,428.56

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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.