Home / 2,930.07-4,042.40-1,882.74

Finding the Fourth Proportional to 2,930.07, 4,042.40 and 1,882.74

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Solution

The fourth proportional to 2,930.07, 4,042.40 and 1,882.74 is: 2,597.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.07 : 4,042.40 = 1,882.74 : x
  2. Step 2: Convert to fraction form
    2,930.07/4,042.40 = 1,882.74/x
  3. Step 3: Cross multiply
    2,930.07x = 4,042.40 × 1,882.74
  4. Step 4: Simplify right side
    2,930.07x = 7,610,778.76
  5. Step 5: Solve for x
    x = 7,610,778.76/2,930.07
  6. Step 6: Final answer
    x = 2,597.47

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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.