Home / 1,943.87-2,682.55-1,059.67

Finding the Fourth Proportional to 1,943.87, 2,682.55 and 1,059.67

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Solution

The fourth proportional to 1,943.87, 2,682.55 and 1,059.67 is: 1,462.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.87 : 2,682.55 = 1,059.67 : x
  2. Step 2: Convert to fraction form
    1,943.87/2,682.55 = 1,059.67/x
  3. Step 3: Cross multiply
    1,943.87x = 2,682.55 × 1,059.67
  4. Step 4: Simplify right side
    1,943.87x = 2,842,616.43
  5. Step 5: Solve for x
    x = 2,842,616.43/1,943.87
  6. Step 6: Final answer
    x = 1,462.35

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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.