Home / 4,618.14-6,374.34-2,938.74

Finding the Fourth Proportional to 4,618.14, 6,374.34 and 2,938.74

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Solution

The fourth proportional to 4,618.14, 6,374.34 and 2,938.74 is: 4,056.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,618.14 : 6,374.34 = 2,938.74 : x
  2. Step 2: Convert to fraction form
    4,618.14/6,374.34 = 2,938.74/x
  3. Step 3: Cross multiply
    4,618.14x = 6,374.34 × 2,938.74
  4. Step 4: Simplify right side
    4,618.14x = 18,732,527.93
  5. Step 5: Solve for x
    x = 18,732,527.93/4,618.14
  6. Step 6: Final answer
    x = 4,056.29

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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.