Home / 4,959.29-7,438.53-1,672.31

Finding the Fourth Proportional to 4,959.29, 7,438.53 and 1,672.31

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Solution

The fourth proportional to 4,959.29, 7,438.53 and 1,672.31 is: 2,508.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959.29 : 7,438.53 = 1,672.31 : x
  2. Step 2: Convert to fraction form
    4,959.29/7,438.53 = 1,672.31/x
  3. Step 3: Cross multiply
    4,959.29x = 7,438.53 × 1,672.31
  4. Step 4: Simplify right side
    4,959.29x = 12,439,528.10
  5. Step 5: Solve for x
    x = 12,439,528.10/4,959.29
  6. Step 6: Final answer
    x = 2,508.33

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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.