Home / 4,118.02-5,682.64-2,439.58

Finding the Fourth Proportional to 4,118.02, 5,682.64 and 2,439.58

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Solution

The fourth proportional to 4,118.02, 5,682.64 and 2,439.58 is: 3,366.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118.02 : 5,682.64 = 2,439.58 : x
  2. Step 2: Convert to fraction form
    4,118.02/5,682.64 = 2,439.58/x
  3. Step 3: Cross multiply
    4,118.02x = 5,682.64 × 2,439.58
  4. Step 4: Simplify right side
    4,118.02x = 13,863,249.81
  5. Step 5: Solve for x
    x = 13,863,249.81/4,118.02
  6. Step 6: Final answer
    x = 3,366.49

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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.