Home / 2,066.83-2,852.20-1,122.63

Finding the Fourth Proportional to 2,066.83, 2,852.20 and 1,122.63

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Solution

The fourth proportional to 2,066.83, 2,852.20 and 1,122.63 is: 1,549.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,066.83 : 2,852.20 = 1,122.63 : x
  2. Step 2: Convert to fraction form
    2,066.83/2,852.20 = 1,122.63/x
  3. Step 3: Cross multiply
    2,066.83x = 2,852.20 × 1,122.63
  4. Step 4: Simplify right side
    2,066.83x = 3,201,965.29
  5. Step 5: Solve for x
    x = 3,201,965.29/2,066.83
  6. Step 6: Final answer
    x = 1,549.22

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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.