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Finding the Fourth Proportional to 5,030.58, 6,951.24 and 3,914.40

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Solution

The fourth proportional to 5,030.58, 6,951.24 and 3,914.40 is: 5,408.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,030.58 : 6,951.24 = 3,914.40 : x
  2. Step 2: Convert to fraction form
    5,030.58/6,951.24 = 3,914.40/x
  3. Step 3: Cross multiply
    5,030.58x = 6,951.24 × 3,914.40
  4. Step 4: Simplify right side
    5,030.58x = 27,209,933.86
  5. Step 5: Solve for x
    x = 27,209,933.86/5,030.58
  6. Step 6: Final answer
    x = 5,408.91

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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.