Home / 7,001.21-10,495.33-2,615.33

Finding the Fourth Proportional to 7,001.21, 10,495.33 and 2,615.33

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Solution

The fourth proportional to 7,001.21, 10,495.33 and 2,615.33 is: 3,920.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,001.21 : 10,495.33 = 2,615.33 : x
  2. Step 2: Convert to fraction form
    7,001.21/10,495.33 = 2,615.33/x
  3. Step 3: Cross multiply
    7,001.21x = 10,495.33 × 2,615.33
  4. Step 4: Simplify right side
    7,001.21x = 27,448,751.41
  5. Step 5: Solve for x
    x = 27,448,751.41/7,001.21
  6. Step 6: Final answer
    x = 3,920.57

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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.