Home / 7,278.39-10,041.84-4,293.09

Finding the Fourth Proportional to 7,278.39, 10,041.84 and 4,293.09

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Solution

The fourth proportional to 7,278.39, 10,041.84 and 4,293.09 is: 5,923.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278.39 : 10,041.84 = 4,293.09 : x
  2. Step 2: Convert to fraction form
    7,278.39/10,041.84 = 4,293.09/x
  3. Step 3: Cross multiply
    7,278.39x = 10,041.84 × 4,293.09
  4. Step 4: Simplify right side
    7,278.39x = 43,110,522.89
  5. Step 5: Solve for x
    x = 43,110,522.89/7,278.39
  6. Step 6: Final answer
    x = 5,923.09

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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.