Home / 6,316.57-9,470.80-2,621.35

Finding the Fourth Proportional to 6,316.57, 9,470.80 and 2,621.35

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Solution

The fourth proportional to 6,316.57, 9,470.80 and 2,621.35 is: 3,930.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,316.57 : 9,470.80 = 2,621.35 : x
  2. Step 2: Convert to fraction form
    6,316.57/9,470.80 = 2,621.35/x
  3. Step 3: Cross multiply
    6,316.57x = 9,470.80 × 2,621.35
  4. Step 4: Simplify right side
    6,316.57x = 24,826,281.58
  5. Step 5: Solve for x
    x = 24,826,281.58/6,316.57
  6. Step 6: Final answer
    x = 3,930.34

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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.