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Finding the Fourth Proportional to 3,804.17, 5,707.17 and 1,207.10

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Solution

The fourth proportional to 3,804.17, 5,707.17 and 1,207.10 is: 1,810.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,804.17 : 5,707.17 = 1,207.10 : x
  2. Step 2: Convert to fraction form
    3,804.17/5,707.17 = 1,207.10/x
  3. Step 3: Cross multiply
    3,804.17x = 5,707.17 × 1,207.10
  4. Step 4: Simplify right side
    3,804.17x = 6,889,124.91
  5. Step 5: Solve for x
    x = 6,889,124.91/3,804.17
  6. Step 6: Final answer
    x = 1,810.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.