Home / 4,730.75-7,089.71-1,807.46

Finding the Fourth Proportional to 4,730.75, 7,089.71 and 1,807.46

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Solution

The fourth proportional to 4,730.75, 7,089.71 and 1,807.46 is: 2,708.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,730.75 : 7,089.71 = 1,807.46 : x
  2. Step 2: Convert to fraction form
    4,730.75/7,089.71 = 1,807.46/x
  3. Step 3: Cross multiply
    4,730.75x = 7,089.71 × 1,807.46
  4. Step 4: Simplify right side
    4,730.75x = 12,814,367.24
  5. Step 5: Solve for x
    x = 12,814,367.24/4,730.75
  6. Step 6: Final answer
    x = 2,708.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.