Home / 4,980.07-6,868.56-4,644.73

Finding the Fourth Proportional to 4,980.07, 6,868.56 and 4,644.73

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Solution

The fourth proportional to 4,980.07, 6,868.56 and 4,644.73 is: 6,406.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.07 : 6,868.56 = 4,644.73 : x
  2. Step 2: Convert to fraction form
    4,980.07/6,868.56 = 4,644.73/x
  3. Step 3: Cross multiply
    4,980.07x = 6,868.56 × 4,644.73
  4. Step 4: Simplify right side
    4,980.07x = 31,902,606.69
  5. Step 5: Solve for x
    x = 31,902,606.69/4,980.07
  6. Step 6: Final answer
    x = 6,406.06

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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.