Home / 6,291.65-9,432.07-3,516.05

Finding the Fourth Proportional to 6,291.65, 9,432.07 and 3,516.05

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Solution

The fourth proportional to 6,291.65, 9,432.07 and 3,516.05 is: 5,271.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,291.65 : 9,432.07 = 3,516.05 : x
  2. Step 2: Convert to fraction form
    6,291.65/9,432.07 = 3,516.05/x
  3. Step 3: Cross multiply
    6,291.65x = 9,432.07 × 3,516.05
  4. Step 4: Simplify right side
    6,291.65x = 33,163,582.56
  5. Step 5: Solve for x
    x = 33,163,582.56/6,291.65
  6. Step 6: Final answer
    x = 5,271.05

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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.