Home / 2,966.01-4,090.62-2,221.74

Finding the Fourth Proportional to 2,966.01, 4,090.62 and 2,221.74

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Solution

The fourth proportional to 2,966.01, 4,090.62 and 2,221.74 is: 3,064.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,966.01 : 4,090.62 = 2,221.74 : x
  2. Step 2: Convert to fraction form
    2,966.01/4,090.62 = 2,221.74/x
  3. Step 3: Cross multiply
    2,966.01x = 4,090.62 × 2,221.74
  4. Step 4: Simplify right side
    2,966.01x = 9,088,294.08
  5. Step 5: Solve for x
    x = 9,088,294.08/2,966.01
  6. Step 6: Final answer
    x = 3,064.15

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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.