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Finding the Fourth Proportional to 3,807.16, 5,710.05 and 1,726.67

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Solution

The fourth proportional to 3,807.16, 5,710.05 and 1,726.67 is: 2,589.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,807.16 : 5,710.05 = 1,726.67 : x
  2. Step 2: Convert to fraction form
    3,807.16/5,710.05 = 1,726.67/x
  3. Step 3: Cross multiply
    3,807.16x = 5,710.05 × 1,726.67
  4. Step 4: Simplify right side
    3,807.16x = 9,859,334.85
  5. Step 5: Solve for x
    x = 9,859,334.85/3,807.16
  6. Step 6: Final answer
    x = 2,589.68

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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.