Home / 2,313.95-3,193.44-1,319.54

Finding the Fourth Proportional to 2,313.95, 3,193.44 and 1,319.54

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Solution

The fourth proportional to 2,313.95, 3,193.44 and 1,319.54 is: 1,821.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.95 : 3,193.44 = 1,319.54 : x
  2. Step 2: Convert to fraction form
    2,313.95/3,193.44 = 1,319.54/x
  3. Step 3: Cross multiply
    2,313.95x = 3,193.44 × 1,319.54
  4. Step 4: Simplify right side
    2,313.95x = 4,213,871.82
  5. Step 5: Solve for x
    x = 4,213,871.82/2,313.95
  6. Step 6: Final answer
    x = 1,821.07

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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.