Home / 4,717.69-6,515.13-3,886.63

Finding the Fourth Proportional to 4,717.69, 6,515.13 and 3,886.63

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Solution

The fourth proportional to 4,717.69, 6,515.13 and 3,886.63 is: 5,367.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,717.69 : 6,515.13 = 3,886.63 : x
  2. Step 2: Convert to fraction form
    4,717.69/6,515.13 = 3,886.63/x
  3. Step 3: Cross multiply
    4,717.69x = 6,515.13 × 3,886.63
  4. Step 4: Simplify right side
    4,717.69x = 25,321,899.71
  5. Step 5: Solve for x
    x = 25,321,899.71/4,717.69
  6. Step 6: Final answer
    x = 5,367.44

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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.