Home / 4,830.19-6,664.89-2,813.93

Finding the Fourth Proportional to 4,830.19, 6,664.89 and 2,813.93

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Solution

The fourth proportional to 4,830.19, 6,664.89 and 2,813.93 is: 3,882.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,830.19 : 6,664.89 = 2,813.93 : x
  2. Step 2: Convert to fraction form
    4,830.19/6,664.89 = 2,813.93/x
  3. Step 3: Cross multiply
    4,830.19x = 6,664.89 × 2,813.93
  4. Step 4: Simplify right side
    4,830.19x = 18,754,561.13
  5. Step 5: Solve for x
    x = 18,754,561.13/4,830.19
  6. Step 6: Final answer
    x = 3,882.78

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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.