Home / 5,315.18-8,012.58-4,958.37

Finding the Fourth Proportional to 5,315.18, 8,012.58 and 4,958.37

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Solution

The fourth proportional to 5,315.18, 8,012.58 and 4,958.37 is: 7,474.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.18 : 8,012.58 = 4,958.37 : x
  2. Step 2: Convert to fraction form
    5,315.18/8,012.58 = 4,958.37/x
  3. Step 3: Cross multiply
    5,315.18x = 8,012.58 × 4,958.37
  4. Step 4: Simplify right side
    5,315.18x = 39,729,317.70
  5. Step 5: Solve for x
    x = 39,729,317.70/5,315.18
  6. Step 6: Final answer
    x = 7,474.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.