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Finding the Fourth Proportional to 6,160.76, 8,500 and 3,643.08

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Solution

The fourth proportional to 6,160.76, 8,500 and 3,643.08 is: 5,026.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,160.76 : 8,500 = 3,643.08 : x
  2. Step 2: Convert to fraction form
    6,160.76/8,500 = 3,643.08/x
  3. Step 3: Cross multiply
    6,160.76x = 8,500 × 3,643.08
  4. Step 4: Simplify right side
    6,160.76x = 30,966,180
  5. Step 5: Solve for x
    x = 30,966,180/6,160.76
  6. Step 6: Final answer
    x = 5,026.36

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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.