Home / 7,301.44-10,072.80-4,315.36

Finding the Fourth Proportional to 7,301.44, 10,072.80 and 4,315.36

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Solution

The fourth proportional to 7,301.44, 10,072.80 and 4,315.36 is: 5,953.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,301.44 : 10,072.80 = 4,315.36 : x
  2. Step 2: Convert to fraction form
    7,301.44/10,072.80 = 4,315.36/x
  3. Step 3: Cross multiply
    7,301.44x = 10,072.80 × 4,315.36
  4. Step 4: Simplify right side
    7,301.44x = 43,467,758.21
  5. Step 5: Solve for x
    x = 43,467,758.21/7,301.44
  6. Step 6: Final answer
    x = 5,953.31

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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.