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Finding the Fourth Proportional to 5,096.40, 7,032.05 and 3,079.40

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Solution

The fourth proportional to 5,096.40, 7,032.05 and 3,079.40 is: 4,248.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,096.40 : 7,032.05 = 3,079.40 : x
  2. Step 2: Convert to fraction form
    5,096.40/7,032.05 = 3,079.40/x
  3. Step 3: Cross multiply
    5,096.40x = 7,032.05 × 3,079.40
  4. Step 4: Simplify right side
    5,096.40x = 21,654,494.77
  5. Step 5: Solve for x
    x = 21,654,494.77/5,096.40
  6. Step 6: Final answer
    x = 4,248.98

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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.