Home / 6,280.17-8,668.19-3,629.11

Finding the Fourth Proportional to 6,280.17, 8,668.19 and 3,629.11

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Solution

The fourth proportional to 6,280.17, 8,668.19 and 3,629.11 is: 5,009.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,280.17 : 8,668.19 = 3,629.11 : x
  2. Step 2: Convert to fraction form
    6,280.17/8,668.19 = 3,629.11/x
  3. Step 3: Cross multiply
    6,280.17x = 8,668.19 × 3,629.11
  4. Step 4: Simplify right side
    6,280.17x = 31,457,815.01
  5. Step 5: Solve for x
    x = 31,457,815.01/6,280.17
  6. Step 6: Final answer
    x = 5,009.07

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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.