Home / 7,727.88-10,665.52-4,743.16

Finding the Fourth Proportional to 7,727.88, 10,665.52 and 4,743.16

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Solution

The fourth proportional to 7,727.88, 10,665.52 and 4,743.16 is: 6,546.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,727.88 : 10,665.52 = 4,743.16 : x
  2. Step 2: Convert to fraction form
    7,727.88/10,665.52 = 4,743.16/x
  3. Step 3: Cross multiply
    7,727.88x = 10,665.52 × 4,743.16
  4. Step 4: Simplify right side
    7,727.88x = 50,588,267.84
  5. Step 5: Solve for x
    x = 50,588,267.84/7,727.88
  6. Step 6: Final answer
    x = 6,546.20

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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.