Home / 5,281.26-7,290.99-4,231.50

Finding the Fourth Proportional to 5,281.26, 7,290.99 and 4,231.50

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Solution

The fourth proportional to 5,281.26, 7,290.99 and 4,231.50 is: 5,841.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.26 : 7,290.99 = 4,231.50 : x
  2. Step 2: Convert to fraction form
    5,281.26/7,290.99 = 4,231.50/x
  3. Step 3: Cross multiply
    5,281.26x = 7,290.99 × 4,231.50
  4. Step 4: Simplify right side
    5,281.26x = 30,851,824.19
  5. Step 5: Solve for x
    x = 30,851,824.19/5,281.26
  6. Step 6: Final answer
    x = 5,841.75

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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.