Home / 4,970.65-6,859.68-2,846.51

Finding the Fourth Proportional to 4,970.65, 6,859.68 and 2,846.51

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Solution

The fourth proportional to 4,970.65, 6,859.68 and 2,846.51 is: 3,928.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970.65 : 6,859.68 = 2,846.51 : x
  2. Step 2: Convert to fraction form
    4,970.65/6,859.68 = 2,846.51/x
  3. Step 3: Cross multiply
    4,970.65x = 6,859.68 × 2,846.51
  4. Step 4: Simplify right side
    4,970.65x = 19,526,147.72
  5. Step 5: Solve for x
    x = 19,526,147.72/4,970.65
  6. Step 6: Final answer
    x = 3,928.29

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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.