Home / 5,108.49-7,045.48-4,313.65

Finding the Fourth Proportional to 5,108.49, 7,045.48 and 4,313.65

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Solution

The fourth proportional to 5,108.49, 7,045.48 and 4,313.65 is: 5,949.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,108.49 : 7,045.48 = 4,313.65 : x
  2. Step 2: Convert to fraction form
    5,108.49/7,045.48 = 4,313.65/x
  3. Step 3: Cross multiply
    5,108.49x = 7,045.48 × 4,313.65
  4. Step 4: Simplify right side
    5,108.49x = 30,391,713.23
  5. Step 5: Solve for x
    x = 30,391,713.23/5,108.49
  6. Step 6: Final answer
    x = 5,949.26

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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.