Home / 2,314.07-3,193.85-1,605.68

Finding the Fourth Proportional to 2,314.07, 3,193.85 and 1,605.68

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Solution

The fourth proportional to 2,314.07, 3,193.85 and 1,605.68 is: 2,216.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,314.07 : 3,193.85 = 1,605.68 : x
  2. Step 2: Convert to fraction form
    2,314.07/3,193.85 = 1,605.68/x
  3. Step 3: Cross multiply
    2,314.07x = 3,193.85 × 1,605.68
  4. Step 4: Simplify right side
    2,314.07x = 5,128,301.07
  5. Step 5: Solve for x
    x = 5,128,301.07/2,314.07
  6. Step 6: Final answer
    x = 2,216.14

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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.