Home / 2,842.17-3,922.11-1,583.16

Finding the Fourth Proportional to 2,842.17, 3,922.11 and 1,583.16

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Solution

The fourth proportional to 2,842.17, 3,922.11 and 1,583.16 is: 2,184.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,842.17 : 3,922.11 = 1,583.16 : x
  2. Step 2: Convert to fraction form
    2,842.17/3,922.11 = 1,583.16/x
  3. Step 3: Cross multiply
    2,842.17x = 3,922.11 × 1,583.16
  4. Step 4: Simplify right side
    2,842.17x = 6,209,327.67
  5. Step 5: Solve for x
    x = 6,209,327.67/2,842.17
  6. Step 6: Final answer
    x = 2,184.71

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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.