Home / 6,678.41-9,216.02-3,807.63

Finding the Fourth Proportional to 6,678.41, 9,216.02 and 3,807.63

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Solution

The fourth proportional to 6,678.41, 9,216.02 and 3,807.63 is: 5,254.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,678.41 : 9,216.02 = 3,807.63 : x
  2. Step 2: Convert to fraction form
    6,678.41/9,216.02 = 3,807.63/x
  3. Step 3: Cross multiply
    6,678.41x = 9,216.02 × 3,807.63
  4. Step 4: Simplify right side
    6,678.41x = 35,091,175.19
  5. Step 5: Solve for x
    x = 35,091,175.19/6,678.41
  6. Step 6: Final answer
    x = 5,254.42

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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.