Home / 1,892.06-2,830.53-1,684.22

Finding the Fourth Proportional to 1,892.06, 2,830.53 and 1,684.22

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Solution

The fourth proportional to 1,892.06, 2,830.53 and 1,684.22 is: 2,519.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892.06 : 2,830.53 = 1,684.22 : x
  2. Step 2: Convert to fraction form
    1,892.06/2,830.53 = 1,684.22/x
  3. Step 3: Cross multiply
    1,892.06x = 2,830.53 × 1,684.22
  4. Step 4: Simplify right side
    1,892.06x = 4,767,235.24
  5. Step 5: Solve for x
    x = 4,767,235.24/1,892.06
  6. Step 6: Final answer
    x = 2,519.60

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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.