Home / 4,315.19-6,472.74-1,393.43

Finding the Fourth Proportional to 4,315.19, 6,472.74 and 1,393.43

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Solution

The fourth proportional to 4,315.19, 6,472.74 and 1,393.43 is: 2,090.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,315.19 : 6,472.74 = 1,393.43 : x
  2. Step 2: Convert to fraction form
    4,315.19/6,472.74 = 1,393.43/x
  3. Step 3: Cross multiply
    4,315.19x = 6,472.74 × 1,393.43
  4. Step 4: Simplify right side
    4,315.19x = 9,019,310.10
  5. Step 5: Solve for x
    x = 9,019,310.10/4,315.19
  6. Step 6: Final answer
    x = 2,090.13

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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.