Home / 2,066.08-2,851.05-1,226.86

Finding the Fourth Proportional to 2,066.08, 2,851.05 and 1,226.86

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Solution

The fourth proportional to 2,066.08, 2,851.05 and 1,226.86 is: 1,692.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,066.08 : 2,851.05 = 1,226.86 : x
  2. Step 2: Convert to fraction form
    2,066.08/2,851.05 = 1,226.86/x
  3. Step 3: Cross multiply
    2,066.08x = 2,851.05 × 1,226.86
  4. Step 4: Simplify right side
    2,066.08x = 3,497,839.20
  5. Step 5: Solve for x
    x = 3,497,839.20/2,066.08
  6. Step 6: Final answer
    x = 1,692.98

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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.