Home / 4,672.47-6,447.71-2,681.62

Finding the Fourth Proportional to 4,672.47, 6,447.71 and 2,681.62

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Solution

The fourth proportional to 4,672.47, 6,447.71 and 2,681.62 is: 3,700.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,672.47 : 6,447.71 = 2,681.62 : x
  2. Step 2: Convert to fraction form
    4,672.47/6,447.71 = 2,681.62/x
  3. Step 3: Cross multiply
    4,672.47x = 6,447.71 × 2,681.62
  4. Step 4: Simplify right side
    4,672.47x = 17,290,301.39
  5. Step 5: Solve for x
    x = 17,290,301.39/4,672.47
  6. Step 6: Final answer
    x = 3,700.47

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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.