Home / 4,815.15-6,645.38-2,926.32

Finding the Fourth Proportional to 4,815.15, 6,645.38 and 2,926.32

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Solution

The fourth proportional to 4,815.15, 6,645.38 and 2,926.32 is: 4,038.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.15 : 6,645.38 = 2,926.32 : x
  2. Step 2: Convert to fraction form
    4,815.15/6,645.38 = 2,926.32/x
  3. Step 3: Cross multiply
    4,815.15x = 6,645.38 × 2,926.32
  4. Step 4: Simplify right side
    4,815.15x = 19,446,508.40
  5. Step 5: Solve for x
    x = 19,446,508.40/4,815.15
  6. Step 6: Final answer
    x = 4,038.61

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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.