Home / 6,280.95-8,668.61-3,763.17

Finding the Fourth Proportional to 6,280.95, 8,668.61 and 3,763.17

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Solution

The fourth proportional to 6,280.95, 8,668.61 and 3,763.17 is: 5,193.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,280.95 : 8,668.61 = 3,763.17 : x
  2. Step 2: Convert to fraction form
    6,280.95/8,668.61 = 3,763.17/x
  3. Step 3: Cross multiply
    6,280.95x = 8,668.61 × 3,763.17
  4. Step 4: Simplify right side
    6,280.95x = 32,621,409.75
  5. Step 5: Solve for x
    x = 32,621,409.75/6,280.95
  6. Step 6: Final answer
    x = 5,193.71

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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.