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Finding the Fourth Proportional to 5,810.63, 8,005.11 and 4,039.16

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Solution

The fourth proportional to 5,810.63, 8,005.11 and 4,039.16 is: 5,564.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,810.63 : 8,005.11 = 4,039.16 : x
  2. Step 2: Convert to fraction form
    5,810.63/8,005.11 = 4,039.16/x
  3. Step 3: Cross multiply
    5,810.63x = 8,005.11 × 4,039.16
  4. Step 4: Simplify right side
    5,810.63x = 32,333,920.11
  5. Step 5: Solve for x
    x = 32,333,920.11/5,810.63
  6. Step 6: Final answer
    x = 5,564.62

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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.