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Finding the Fourth Proportional to 4,040.58, 5,585.94 and 4,003.62

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Solution

The fourth proportional to 4,040.58, 5,585.94 and 4,003.62 is: 5,534.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,040.58 : 5,585.94 = 4,003.62 : x
  2. Step 2: Convert to fraction form
    4,040.58/5,585.94 = 4,003.62/x
  3. Step 3: Cross multiply
    4,040.58x = 5,585.94 × 4,003.62
  4. Step 4: Simplify right side
    4,040.58x = 22,363,981.10
  5. Step 5: Solve for x
    x = 22,363,981.10/4,040.58
  6. Step 6: Final answer
    x = 5,534.84

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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.