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Finding the Fourth Proportional to 2,848.94, 3,931.48 and 1,606.94

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Solution

The fourth proportional to 2,848.94, 3,931.48 and 1,606.94 is: 2,217.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.94 : 3,931.48 = 1,606.94 : x
  2. Step 2: Convert to fraction form
    2,848.94/3,931.48 = 1,606.94/x
  3. Step 3: Cross multiply
    2,848.94x = 3,931.48 × 1,606.94
  4. Step 4: Simplify right side
    2,848.94x = 6,317,652.47
  5. Step 5: Solve for x
    x = 6,317,652.47/2,848.94
  6. Step 6: Final answer
    x = 2,217.54

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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.