Home / 2,475.12-3,414.63-1,636.77

Finding the Fourth Proportional to 2,475.12, 3,414.63 and 1,636.77

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Solution

The fourth proportional to 2,475.12, 3,414.63 and 1,636.77 is: 2,258.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.12 : 3,414.63 = 1,636.77 : x
  2. Step 2: Convert to fraction form
    2,475.12/3,414.63 = 1,636.77/x
  3. Step 3: Cross multiply
    2,475.12x = 3,414.63 × 1,636.77
  4. Step 4: Simplify right side
    2,475.12x = 5,588,963.95
  5. Step 5: Solve for x
    x = 5,588,963.95/2,475.12
  6. Step 6: Final answer
    x = 2,258.06

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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.