Home / 4,970.42-6,858.78-2,732.24

Finding the Fourth Proportional to 4,970.42, 6,858.78 and 2,732.24

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Solution

The fourth proportional to 4,970.42, 6,858.78 and 2,732.24 is: 3,770.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970.42 : 6,858.78 = 2,732.24 : x
  2. Step 2: Convert to fraction form
    4,970.42/6,858.78 = 2,732.24/x
  3. Step 3: Cross multiply
    4,970.42x = 6,858.78 × 2,732.24
  4. Step 4: Simplify right side
    4,970.42x = 18,739,833.07
  5. Step 5: Solve for x
    x = 18,739,833.07/4,970.42
  6. Step 6: Final answer
    x = 3,770.27

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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.