Home / 2,860.16-4,282.08-2,133.12

Finding the Fourth Proportional to 2,860.16, 4,282.08 and 2,133.12

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Solution

The fourth proportional to 2,860.16, 4,282.08 and 2,133.12 is: 3,193.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860.16 : 4,282.08 = 2,133.12 : x
  2. Step 2: Convert to fraction form
    2,860.16/4,282.08 = 2,133.12/x
  3. Step 3: Cross multiply
    2,860.16x = 4,282.08 × 2,133.12
  4. Step 4: Simplify right side
    2,860.16x = 9,134,190.49
  5. Step 5: Solve for x
    x = 9,134,190.49/2,860.16
  6. Step 6: Final answer
    x = 3,193.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.