Home / 6,207.36-8,564.32-3,688.19

Finding the Fourth Proportional to 6,207.36, 8,564.32 and 3,688.19

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Solution

The fourth proportional to 6,207.36, 8,564.32 and 3,688.19 is: 5,088.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,207.36 : 8,564.32 = 3,688.19 : x
  2. Step 2: Convert to fraction form
    6,207.36/8,564.32 = 3,688.19/x
  3. Step 3: Cross multiply
    6,207.36x = 8,564.32 × 3,688.19
  4. Step 4: Simplify right side
    6,207.36x = 31,586,839.38
  5. Step 5: Solve for x
    x = 31,586,839.38/6,207.36
  6. Step 6: Final answer
    x = 5,088.61

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Half scale
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Double scale
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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.