Home / 3,166.20-4,750.32-975.36

Finding the Fourth Proportional to 3,166.20, 4,750.32 and 975.36

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Solution

The fourth proportional to 3,166.20, 4,750.32 and 975.36 is: 1,463.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.20 : 4,750.32 = 975.36 : x
  2. Step 2: Convert to fraction form
    3,166.20/4,750.32 = 975.36/x
  3. Step 3: Cross multiply
    3,166.20x = 4,750.32 × 975.36
  4. Step 4: Simplify right side
    3,166.20x = 4,633,272.12
  5. Step 5: Solve for x
    x = 4,633,272.12/3,166.20
  6. Step 6: Final answer
    x = 1,463.35

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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.