Home / 5,141.26-7,095.63-3,151.45

Finding the Fourth Proportional to 5,141.26, 7,095.63 and 3,151.45

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Solution

The fourth proportional to 5,141.26, 7,095.63 and 3,151.45 is: 4,349.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,141.26 : 7,095.63 = 3,151.45 : x
  2. Step 2: Convert to fraction form
    5,141.26/7,095.63 = 3,151.45/x
  3. Step 3: Cross multiply
    5,141.26x = 7,095.63 × 3,151.45
  4. Step 4: Simplify right side
    5,141.26x = 22,361,523.16
  5. Step 5: Solve for x
    x = 22,361,523.16/5,141.26
  6. Step 6: Final answer
    x = 4,349.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.