Home / 7,247.08-10,870.62-2,629

Finding the Fourth Proportional to 7,247.08, 10,870.62 and 2,629

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Solution

The fourth proportional to 7,247.08, 10,870.62 and 2,629 is: 3,943.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247.08 : 10,870.62 = 2,629 : x
  2. Step 2: Convert to fraction form
    7,247.08/10,870.62 = 2,629/x
  3. Step 3: Cross multiply
    7,247.08x = 10,870.62 × 2,629
  4. Step 4: Simplify right side
    7,247.08x = 28,578,859.98
  5. Step 5: Solve for x
    x = 28,578,859.98/7,247.08
  6. Step 6: Final answer
    x = 3,943.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.