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Finding the Fourth Proportional to 5,948.94, 8,208.70 and 3,430.86

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Solution

The fourth proportional to 5,948.94, 8,208.70 and 3,430.86 is: 4,734.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,948.94 : 8,208.70 = 3,430.86 : x
  2. Step 2: Convert to fraction form
    5,948.94/8,208.70 = 3,430.86/x
  3. Step 3: Cross multiply
    5,948.94x = 8,208.70 × 3,430.86
  4. Step 4: Simplify right side
    5,948.94x = 28,162,900.48
  5. Step 5: Solve for x
    x = 28,162,900.48/5,948.94
  6. Step 6: Final answer
    x = 4,734.10

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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.