Home / 7,955.20-10,976.27-4,769.47

Finding the Fourth Proportional to 7,955.20, 10,976.27 and 4,769.47

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Solution

The fourth proportional to 7,955.20, 10,976.27 and 4,769.47 is: 6,580.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955.20 : 10,976.27 = 4,769.47 : x
  2. Step 2: Convert to fraction form
    7,955.20/10,976.27 = 4,769.47/x
  3. Step 3: Cross multiply
    7,955.20x = 10,976.27 × 4,769.47
  4. Step 4: Simplify right side
    7,955.20x = 52,350,990.48
  5. Step 5: Solve for x
    x = 52,350,990.48/7,955.20
  6. Step 6: Final answer
    x = 6,580.73

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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.