Home / 7,326.88-10,110.49-4,140.45

Finding the Fourth Proportional to 7,326.88, 10,110.49 and 4,140.45

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Solution

The fourth proportional to 7,326.88, 10,110.49 and 4,140.45 is: 5,713.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,326.88 : 10,110.49 = 4,140.45 : x
  2. Step 2: Convert to fraction form
    7,326.88/10,110.49 = 4,140.45/x
  3. Step 3: Cross multiply
    7,326.88x = 10,110.49 × 4,140.45
  4. Step 4: Simplify right side
    7,326.88x = 41,861,978.32
  5. Step 5: Solve for x
    x = 41,861,978.32/7,326.88
  6. Step 6: Final answer
    x = 5,713.48

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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.