Home / 5,074.14-7,002.84-2,836.80

Finding the Fourth Proportional to 5,074.14, 7,002.84 and 2,836.80

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Solution

The fourth proportional to 5,074.14, 7,002.84 and 2,836.80 is: 3,915.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.14 : 7,002.84 = 2,836.80 : x
  2. Step 2: Convert to fraction form
    5,074.14/7,002.84 = 2,836.80/x
  3. Step 3: Cross multiply
    5,074.14x = 7,002.84 × 2,836.80
  4. Step 4: Simplify right side
    5,074.14x = 19,865,656.51
  5. Step 5: Solve for x
    x = 19,865,656.51/5,074.14
  6. Step 6: Final answer
    x = 3,915.08

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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.