Home / 4,849.65-6,685.45-3,855.33

Finding the Fourth Proportional to 4,849.65, 6,685.45 and 3,855.33

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Solution

The fourth proportional to 4,849.65, 6,685.45 and 3,855.33 is: 5,314.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,849.65 : 6,685.45 = 3,855.33 : x
  2. Step 2: Convert to fraction form
    4,849.65/6,685.45 = 3,855.33/x
  3. Step 3: Cross multiply
    4,849.65x = 6,685.45 × 3,855.33
  4. Step 4: Simplify right side
    4,849.65x = 25,774,615.95
  5. Step 5: Solve for x
    x = 25,774,615.95/4,849.65
  6. Step 6: Final answer
    x = 5,314.74

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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.