Home / 4,803.29-6,628.37-2,813.80

Finding the Fourth Proportional to 4,803.29, 6,628.37 and 2,813.80

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Solution

The fourth proportional to 4,803.29, 6,628.37 and 2,813.80 is: 3,882.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,803.29 : 6,628.37 = 2,813.80 : x
  2. Step 2: Convert to fraction form
    4,803.29/6,628.37 = 2,813.80/x
  3. Step 3: Cross multiply
    4,803.29x = 6,628.37 × 2,813.80
  4. Step 4: Simplify right side
    4,803.29x = 18,650,907.51
  5. Step 5: Solve for x
    x = 18,650,907.51/4,803.29
  6. Step 6: Final answer
    x = 3,882.94

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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.