Home / 5,384.75-7,430.82-2,994.74

Finding the Fourth Proportional to 5,384.75, 7,430.82 and 2,994.74

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Solution

The fourth proportional to 5,384.75, 7,430.82 and 2,994.74 is: 4,132.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384.75 : 7,430.82 = 2,994.74 : x
  2. Step 2: Convert to fraction form
    5,384.75/7,430.82 = 2,994.74/x
  3. Step 3: Cross multiply
    5,384.75x = 7,430.82 × 2,994.74
  4. Step 4: Simplify right side
    5,384.75x = 22,253,336.73
  5. Step 5: Solve for x
    x = 22,253,336.73/5,384.75
  6. Step 6: Final answer
    x = 4,132.66

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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.