Home / 5,812.18-8,014.92-4,975.65

Finding the Fourth Proportional to 5,812.18, 8,014.92 and 4,975.65

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Solution

The fourth proportional to 5,812.18, 8,014.92 and 4,975.65 is: 6,861.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.18 : 8,014.92 = 4,975.65 : x
  2. Step 2: Convert to fraction form
    5,812.18/8,014.92 = 4,975.65/x
  3. Step 3: Cross multiply
    5,812.18x = 8,014.92 × 4,975.65
  4. Step 4: Simplify right side
    5,812.18x = 39,879,418.04
  5. Step 5: Solve for x
    x = 39,879,418.04/5,812.18
  6. Step 6: Final answer
    x = 6,861.36

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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.