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Finding the Fourth Proportional to 3,901.70, 5,852.55 and 1,953.45

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Solution

The fourth proportional to 3,901.70, 5,852.55 and 1,953.45 is: 2,930.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.70 : 5,852.55 = 1,953.45 : x
  2. Step 2: Convert to fraction form
    3,901.70/5,852.55 = 1,953.45/x
  3. Step 3: Cross multiply
    3,901.70x = 5,852.55 × 1,953.45
  4. Step 4: Simplify right side
    3,901.70x = 11,432,663.80
  5. Step 5: Solve for x
    x = 11,432,663.80/3,901.70
  6. Step 6: Final answer
    x = 2,930.18

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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.