Home / 6,382.19-8,807.42-3,587.69

Finding the Fourth Proportional to 6,382.19, 8,807.42 and 3,587.69

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Solution

The fourth proportional to 6,382.19, 8,807.42 and 3,587.69 is: 4,951.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,382.19 : 8,807.42 = 3,587.69 : x
  2. Step 2: Convert to fraction form
    6,382.19/8,807.42 = 3,587.69/x
  3. Step 3: Cross multiply
    6,382.19x = 8,807.42 × 3,587.69
  4. Step 4: Simplify right side
    6,382.19x = 31,598,292.66
  5. Step 5: Solve for x
    x = 31,598,292.66/6,382.19
  6. Step 6: Final answer
    x = 4,951.01

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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.