Home / 5,531.44-8,300.40-2,071.12

Finding the Fourth Proportional to 5,531.44, 8,300.40 and 2,071.12

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Solution

The fourth proportional to 5,531.44, 8,300.40 and 2,071.12 is: 3,107.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.44 : 8,300.40 = 2,071.12 : x
  2. Step 2: Convert to fraction form
    5,531.44/8,300.40 = 2,071.12/x
  3. Step 3: Cross multiply
    5,531.44x = 8,300.40 × 2,071.12
  4. Step 4: Simplify right side
    5,531.44x = 17,191,124.45
  5. Step 5: Solve for x
    x = 17,191,124.45/5,531.44
  6. Step 6: Final answer
    x = 3,107.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.