Home / 6,445.16-9,668.34-2,061.57

Finding the Fourth Proportional to 6,445.16, 9,668.34 and 2,061.57

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Solution

The fourth proportional to 6,445.16, 9,668.34 and 2,061.57 is: 3,092.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445.16 : 9,668.34 = 2,061.57 : x
  2. Step 2: Convert to fraction form
    6,445.16/9,668.34 = 2,061.57/x
  3. Step 3: Cross multiply
    6,445.16x = 9,668.34 × 2,061.57
  4. Step 4: Simplify right side
    6,445.16x = 19,931,959.69
  5. Step 5: Solve for x
    x = 19,931,959.69/6,445.16
  6. Step 6: Final answer
    x = 3,092.55

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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.