Home / 4,636.32-6,398.11-2,540.45

Finding the Fourth Proportional to 4,636.32, 6,398.11 and 2,540.45

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Solution

The fourth proportional to 4,636.32, 6,398.11 and 2,540.45 is: 3,505.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,636.32 : 6,398.11 = 2,540.45 : x
  2. Step 2: Convert to fraction form
    4,636.32/6,398.11 = 2,540.45/x
  3. Step 3: Cross multiply
    4,636.32x = 6,398.11 × 2,540.45
  4. Step 4: Simplify right side
    4,636.32x = 16,254,040.21
  5. Step 5: Solve for x
    x = 16,254,040.21/4,636.32
  6. Step 6: Final answer
    x = 3,505.81

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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.