Home / 5,097.45-7,034.76-2,860.05

Finding the Fourth Proportional to 5,097.45, 7,034.76 and 2,860.05

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Solution

The fourth proportional to 5,097.45, 7,034.76 and 2,860.05 is: 3,947.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,097.45 : 7,034.76 = 2,860.05 : x
  2. Step 2: Convert to fraction form
    5,097.45/7,034.76 = 2,860.05/x
  3. Step 3: Cross multiply
    5,097.45x = 7,034.76 × 2,860.05
  4. Step 4: Simplify right side
    5,097.45x = 20,119,765.34
  5. Step 5: Solve for x
    x = 20,119,765.34/5,097.45
  6. Step 6: Final answer
    x = 3,947.03

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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.