Home / 6,905.20-9,527.55-4,777.23

Finding the Fourth Proportional to 6,905.20, 9,527.55 and 4,777.23

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Solution

The fourth proportional to 6,905.20, 9,527.55 and 4,777.23 is: 6,591.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,905.20 : 9,527.55 = 4,777.23 : x
  2. Step 2: Convert to fraction form
    6,905.20/9,527.55 = 4,777.23/x
  3. Step 3: Cross multiply
    6,905.20x = 9,527.55 × 4,777.23
  4. Step 4: Simplify right side
    6,905.20x = 45,515,260.23
  5. Step 5: Solve for x
    x = 45,515,260.23/6,905.20
  6. Step 6: Final answer
    x = 6,591.45

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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.