Home / 5,112.41-7,669.42-1,602.14

Finding the Fourth Proportional to 5,112.41, 7,669.42 and 1,602.14

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Solution

The fourth proportional to 5,112.41, 7,669.42 and 1,602.14 is: 2,403.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.41 : 7,669.42 = 1,602.14 : x
  2. Step 2: Convert to fraction form
    5,112.41/7,669.42 = 1,602.14/x
  3. Step 3: Cross multiply
    5,112.41x = 7,669.42 × 1,602.14
  4. Step 4: Simplify right side
    5,112.41x = 12,287,446.21
  5. Step 5: Solve for x
    x = 12,287,446.21/5,112.41
  6. Step 6: Final answer
    x = 2,403.46

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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.