Home / 7,400.94-10,208.60-5,628.66

Finding the Fourth Proportional to 7,400.94, 10,208.60 and 5,628.66

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Solution

The fourth proportional to 7,400.94, 10,208.60 and 5,628.66 is: 7,763.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.94 : 10,208.60 = 5,628.66 : x
  2. Step 2: Convert to fraction form
    7,400.94/10,208.60 = 5,628.66/x
  3. Step 3: Cross multiply
    7,400.94x = 10,208.60 × 5,628.66
  4. Step 4: Simplify right side
    7,400.94x = 57,460,738.48
  5. Step 5: Solve for x
    x = 57,460,738.48/7,400.94
  6. Step 6: Final answer
    x = 7,763.98

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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.