Home / 4,931.06-6,804-2,940.89

Finding the Fourth Proportional to 4,931.06, 6,804 and 2,940.89

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Solution

The fourth proportional to 4,931.06, 6,804 and 2,940.89 is: 4,057.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.06 : 6,804 = 2,940.89 : x
  2. Step 2: Convert to fraction form
    4,931.06/6,804 = 2,940.89/x
  3. Step 3: Cross multiply
    4,931.06x = 6,804 × 2,940.89
  4. Step 4: Simplify right side
    4,931.06x = 20,009,781.54
  5. Step 5: Solve for x
    x = 20,009,781.54/4,931.06
  6. Step 6: Final answer
    x = 4,057.91

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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.