Home / 2,221.36-3,066.72-1,476.34

Finding the Fourth Proportional to 2,221.36, 3,066.72 and 1,476.34

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Solution

The fourth proportional to 2,221.36, 3,066.72 and 1,476.34 is: 2,038.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221.36 : 3,066.72 = 1,476.34 : x
  2. Step 2: Convert to fraction form
    2,221.36/3,066.72 = 1,476.34/x
  3. Step 3: Cross multiply
    2,221.36x = 3,066.72 × 1,476.34
  4. Step 4: Simplify right side
    2,221.36x = 4,527,521.40
  5. Step 5: Solve for x
    x = 4,527,521.40/2,221.36
  6. Step 6: Final answer
    x = 2,038.18

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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.