Home / 7,960.95-10,986.99-4,558.29

Finding the Fourth Proportional to 7,960.95, 10,986.99 and 4,558.29

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Solution

The fourth proportional to 7,960.95, 10,986.99 and 4,558.29 is: 6,290.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.95 : 10,986.99 = 4,558.29 : x
  2. Step 2: Convert to fraction form
    7,960.95/10,986.99 = 4,558.29/x
  3. Step 3: Cross multiply
    7,960.95x = 10,986.99 × 4,558.29
  4. Step 4: Simplify right side
    7,960.95x = 50,081,886.65
  5. Step 5: Solve for x
    x = 50,081,886.65/7,960.95
  6. Step 6: Final answer
    x = 6,290.94

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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.