Home / 2,966.90-4,090.37-2,433.78

Finding the Fourth Proportional to 2,966.90, 4,090.37 and 2,433.78

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Solution

The fourth proportional to 2,966.90, 4,090.37 and 2,433.78 is: 3,355.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,966.90 : 4,090.37 = 2,433.78 : x
  2. Step 2: Convert to fraction form
    2,966.90/4,090.37 = 2,433.78/x
  3. Step 3: Cross multiply
    2,966.90x = 4,090.37 × 2,433.78
  4. Step 4: Simplify right side
    2,966.90x = 9,955,048.53
  5. Step 5: Solve for x
    x = 9,955,048.53/2,966.90
  6. Step 6: Final answer
    x = 3,355.38

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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.