Home / 4,933.53-6,806.54-2,808.78

Finding the Fourth Proportional to 4,933.53, 6,806.54 and 2,808.78

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Solution

The fourth proportional to 4,933.53, 6,806.54 and 2,808.78 is: 3,875.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,933.53 : 6,806.54 = 2,808.78 : x
  2. Step 2: Convert to fraction form
    4,933.53/6,806.54 = 2,808.78/x
  3. Step 3: Cross multiply
    4,933.53x = 6,806.54 × 2,808.78
  4. Step 4: Simplify right side
    4,933.53x = 19,118,059.38
  5. Step 5: Solve for x
    x = 19,118,059.38/4,933.53
  6. Step 6: Final answer
    x = 3,875.13

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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.