Home / 3,088.14-4,261.73-1,690.89

Finding the Fourth Proportional to 3,088.14, 4,261.73 and 1,690.89

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Solution

The fourth proportional to 3,088.14, 4,261.73 and 1,690.89 is: 2,333.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088.14 : 4,261.73 = 1,690.89 : x
  2. Step 2: Convert to fraction form
    3,088.14/4,261.73 = 1,690.89/x
  3. Step 3: Cross multiply
    3,088.14x = 4,261.73 × 1,690.89
  4. Step 4: Simplify right side
    3,088.14x = 7,206,116.64
  5. Step 5: Solve for x
    x = 7,206,116.64/3,088.14
  6. Step 6: Final answer
    x = 2,333.48

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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.