Home / 4,068.36-5,611.14-2,809.89

Finding the Fourth Proportional to 4,068.36, 5,611.14 and 2,809.89

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Solution

The fourth proportional to 4,068.36, 5,611.14 and 2,809.89 is: 3,875.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,068.36 : 5,611.14 = 2,809.89 : x
  2. Step 2: Convert to fraction form
    4,068.36/5,611.14 = 2,809.89/x
  3. Step 3: Cross multiply
    4,068.36x = 5,611.14 × 2,809.89
  4. Step 4: Simplify right side
    4,068.36x = 15,766,686.17
  5. Step 5: Solve for x
    x = 15,766,686.17/4,068.36
  6. Step 6: Final answer
    x = 3,875.44

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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.