Home / 3,515.63-4,851.38-1,943.63

Finding the Fourth Proportional to 3,515.63, 4,851.38 and 1,943.63

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Solution

The fourth proportional to 3,515.63, 4,851.38 and 1,943.63 is: 2,682.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.63 : 4,851.38 = 1,943.63 : x
  2. Step 2: Convert to fraction form
    3,515.63/4,851.38 = 1,943.63/x
  3. Step 3: Cross multiply
    3,515.63x = 4,851.38 × 1,943.63
  4. Step 4: Simplify right side
    3,515.63x = 9,429,287.71
  5. Step 5: Solve for x
    x = 9,429,287.71/3,515.63
  6. Step 6: Final answer
    x = 2,682.10

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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.