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Finding the Fourth Proportional to 3,166.69, 4,369.95 and 1,750.51

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Solution

The fourth proportional to 3,166.69, 4,369.95 and 1,750.51 is: 2,415.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.69 : 4,369.95 = 1,750.51 : x
  2. Step 2: Convert to fraction form
    3,166.69/4,369.95 = 1,750.51/x
  3. Step 3: Cross multiply
    3,166.69x = 4,369.95 × 1,750.51
  4. Step 4: Simplify right side
    3,166.69x = 7,649,641.17
  5. Step 5: Solve for x
    x = 7,649,641.17/3,166.69
  6. Step 6: Final answer
    x = 2,415.66

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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.