Home / 7,625.33-11,437.59-2,078.65

Finding the Fourth Proportional to 7,625.33, 11,437.59 and 2,078.65

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Solution

The fourth proportional to 7,625.33, 11,437.59 and 2,078.65 is: 3,117.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,625.33 : 11,437.59 = 2,078.65 : x
  2. Step 2: Convert to fraction form
    7,625.33/11,437.59 = 2,078.65/x
  3. Step 3: Cross multiply
    7,625.33x = 11,437.59 × 2,078.65
  4. Step 4: Simplify right side
    7,625.33x = 23,774,746.45
  5. Step 5: Solve for x
    x = 23,774,746.45/7,625.33
  6. Step 6: Final answer
    x = 3,117.86

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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.