Home / 5,045.91-6,960.47-4,190.31

Finding the Fourth Proportional to 5,045.91, 6,960.47 and 4,190.31

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Solution

The fourth proportional to 5,045.91, 6,960.47 and 4,190.31 is: 5,780.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,045.91 : 6,960.47 = 4,190.31 : x
  2. Step 2: Convert to fraction form
    5,045.91/6,960.47 = 4,190.31/x
  3. Step 3: Cross multiply
    5,045.91x = 6,960.47 × 4,190.31
  4. Step 4: Simplify right side
    5,045.91x = 29,166,506.09
  5. Step 5: Solve for x
    x = 29,166,506.09/5,045.91
  6. Step 6: Final answer
    x = 5,780.23

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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.