Home / 7,322.40-10,108.80-4,341.60

Finding the Fourth Proportional to 7,322.40, 10,108.80 and 4,341.60

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Solution

The fourth proportional to 7,322.40, 10,108.80 and 4,341.60 is: 5,993.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,322.40 : 10,108.80 = 4,341.60 : x
  2. Step 2: Convert to fraction form
    7,322.40/10,108.80 = 4,341.60/x
  3. Step 3: Cross multiply
    7,322.40x = 10,108.80 × 4,341.60
  4. Step 4: Simplify right side
    7,322.40x = 43,888,366.08
  5. Step 5: Solve for x
    x = 43,888,366.08/7,322.40
  6. Step 6: Final answer
    x = 5,993.71

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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.