Home / 7,900.89-10,903.23-4,364.07

Finding the Fourth Proportional to 7,900.89, 10,903.23 and 4,364.07

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Solution

The fourth proportional to 7,900.89, 10,903.23 and 4,364.07 is: 6,022.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,900.89 : 10,903.23 = 4,364.07 : x
  2. Step 2: Convert to fraction form
    7,900.89/10,903.23 = 4,364.07/x
  3. Step 3: Cross multiply
    7,900.89x = 10,903.23 × 4,364.07
  4. Step 4: Simplify right side
    7,900.89x = 47,582,458.95
  5. Step 5: Solve for x
    x = 47,582,458.95/7,900.89
  6. Step 6: Final answer
    x = 6,022.42

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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.