Home / 2,907.34-4,012.17-1,648.36

Finding the Fourth Proportional to 2,907.34, 4,012.17 and 1,648.36

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Solution

The fourth proportional to 2,907.34, 4,012.17 and 1,648.36 is: 2,274.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907.34 : 4,012.17 = 1,648.36 : x
  2. Step 2: Convert to fraction form
    2,907.34/4,012.17 = 1,648.36/x
  3. Step 3: Cross multiply
    2,907.34x = 4,012.17 × 1,648.36
  4. Step 4: Simplify right side
    2,907.34x = 6,613,500.54
  5. Step 5: Solve for x
    x = 6,613,500.54/2,907.34
  6. Step 6: Final answer
    x = 2,274.76

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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.