Home / 4,990.23-7,466.31-3,008.57

Finding the Fourth Proportional to 4,990.23, 7,466.31 and 3,008.57

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Solution

The fourth proportional to 4,990.23, 7,466.31 and 3,008.57 is: 4,501.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.23 : 7,466.31 = 3,008.57 : x
  2. Step 2: Convert to fraction form
    4,990.23/7,466.31 = 3,008.57/x
  3. Step 3: Cross multiply
    4,990.23x = 7,466.31 × 3,008.57
  4. Step 4: Simplify right side
    4,990.23x = 22,462,878.95
  5. Step 5: Solve for x
    x = 22,462,878.95/4,990.23
  6. Step 6: Final answer
    x = 4,501.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.