Home / 7,305.13-10,959.32-3,407.41

Finding the Fourth Proportional to 7,305.13, 10,959.32 and 3,407.41

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Solution

The fourth proportional to 7,305.13, 10,959.32 and 3,407.41 is: 5,111.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,305.13 : 10,959.32 = 3,407.41 : x
  2. Step 2: Convert to fraction form
    7,305.13/10,959.32 = 3,407.41/x
  3. Step 3: Cross multiply
    7,305.13x = 10,959.32 × 3,407.41
  4. Step 4: Simplify right side
    7,305.13x = 37,342,918.78
  5. Step 5: Solve for x
    x = 37,342,918.78/7,305.13
  6. Step 6: Final answer
    x = 5,111.88

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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.