Home / 7,769.29-10,721.63-4,232.51

Finding the Fourth Proportional to 7,769.29, 10,721.63 and 4,232.51

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Solution

The fourth proportional to 7,769.29, 10,721.63 and 4,232.51 is: 5,840.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.29 : 10,721.63 = 4,232.51 : x
  2. Step 2: Convert to fraction form
    7,769.29/10,721.63 = 4,232.51/x
  3. Step 3: Cross multiply
    7,769.29x = 10,721.63 × 4,232.51
  4. Step 4: Simplify right side
    7,769.29x = 45,379,406.19
  5. Step 5: Solve for x
    x = 45,379,406.19/7,769.29
  6. Step 6: Final answer
    x = 5,840.87

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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.