Home / 7,814.43-10,783.89-4,277.61

Finding the Fourth Proportional to 7,814.43, 10,783.89 and 4,277.61

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Solution

The fourth proportional to 7,814.43, 10,783.89 and 4,277.61 is: 5,903.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,814.43 : 10,783.89 = 4,277.61 : x
  2. Step 2: Convert to fraction form
    7,814.43/10,783.89 = 4,277.61/x
  3. Step 3: Cross multiply
    7,814.43x = 10,783.89 × 4,277.61
  4. Step 4: Simplify right side
    7,814.43x = 46,129,275.70
  5. Step 5: Solve for x
    x = 46,129,275.70/7,814.43
  6. Step 6: Final answer
    x = 5,903.09

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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.