Home / 3,515.03-4,851.51-2,238.65

Finding the Fourth Proportional to 3,515.03, 4,851.51 and 2,238.65

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Solution

The fourth proportional to 3,515.03, 4,851.51 and 2,238.65 is: 3,089.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.03 : 4,851.51 = 2,238.65 : x
  2. Step 2: Convert to fraction form
    3,515.03/4,851.51 = 2,238.65/x
  3. Step 3: Cross multiply
    3,515.03x = 4,851.51 × 2,238.65
  4. Step 4: Simplify right side
    3,515.03x = 10,860,808.60
  5. Step 5: Solve for x
    x = 10,860,808.60/3,515.03
  6. Step 6: Final answer
    x = 3,089.82

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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.