Home / 7,259.41-10,017.78-4,274.56

Finding the Fourth Proportional to 7,259.41, 10,017.78 and 4,274.56

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Solution

The fourth proportional to 7,259.41, 10,017.78 and 4,274.56 is: 5,898.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,259.41 : 10,017.78 = 4,274.56 : x
  2. Step 2: Convert to fraction form
    7,259.41/10,017.78 = 4,274.56/x
  3. Step 3: Cross multiply
    7,259.41x = 10,017.78 × 4,274.56
  4. Step 4: Simplify right side
    7,259.41x = 42,821,601.68
  5. Step 5: Solve for x
    x = 42,821,601.68/7,259.41
  6. Step 6: Final answer
    x = 5,898.77

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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.