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Finding the Fourth Proportional to 3,903.76, 5,848.36 and 1,953.68

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Solution

The fourth proportional to 3,903.76, 5,848.36 and 1,953.68 is: 2,926.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.76 : 5,848.36 = 1,953.68 : x
  2. Step 2: Convert to fraction form
    3,903.76/5,848.36 = 1,953.68/x
  3. Step 3: Cross multiply
    3,903.76x = 5,848.36 × 1,953.68
  4. Step 4: Simplify right side
    3,903.76x = 11,425,823.96
  5. Step 5: Solve for x
    x = 11,425,823.96/3,903.76
  6. Step 6: Final answer
    x = 2,926.88

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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.