Home / 7,458.03-10,292.09-4,100.81

Finding the Fourth Proportional to 7,458.03, 10,292.09 and 4,100.81

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Solution

The fourth proportional to 7,458.03, 10,292.09 and 4,100.81 is: 5,659.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,458.03 : 10,292.09 = 4,100.81 : x
  2. Step 2: Convert to fraction form
    7,458.03/10,292.09 = 4,100.81/x
  3. Step 3: Cross multiply
    7,458.03x = 10,292.09 × 4,100.81
  4. Step 4: Simplify right side
    7,458.03x = 42,205,833.63
  5. Step 5: Solve for x
    x = 42,205,833.63/7,458.03
  6. Step 6: Final answer
    x = 5,659.11

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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.