Home / 2,055.02-3,082.98-668.36

Finding the Fourth Proportional to 2,055.02, 3,082.98 and 668.36

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Solution

The fourth proportional to 2,055.02, 3,082.98 and 668.36 is: 1,002.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,055.02 : 3,082.98 = 668.36 : x
  2. Step 2: Convert to fraction form
    2,055.02/3,082.98 = 668.36/x
  3. Step 3: Cross multiply
    2,055.02x = 3,082.98 × 668.36
  4. Step 4: Simplify right side
    2,055.02x = 2,060,540.51
  5. Step 5: Solve for x
    x = 2,060,540.51/2,055.02
  6. Step 6: Final answer
    x = 1,002.69

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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.