Home / 5,302.52-7,959.70-3,115.32

Finding the Fourth Proportional to 5,302.52, 7,959.70 and 3,115.32

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Solution

The fourth proportional to 5,302.52, 7,959.70 and 3,115.32 is: 4,676.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,302.52 : 7,959.70 = 3,115.32 : x
  2. Step 2: Convert to fraction form
    5,302.52/7,959.70 = 3,115.32/x
  3. Step 3: Cross multiply
    5,302.52x = 7,959.70 × 3,115.32
  4. Step 4: Simplify right side
    5,302.52x = 24,797,012.60
  5. Step 5: Solve for x
    x = 24,797,012.60/5,302.52
  6. Step 6: Final answer
    x = 4,676.46

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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.