Home / 4,435.65-6,122.48-3,109.68

Finding the Fourth Proportional to 4,435.65, 6,122.48 and 3,109.68

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Solution

The fourth proportional to 4,435.65, 6,122.48 and 3,109.68 is: 4,292.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,435.65 : 6,122.48 = 3,109.68 : x
  2. Step 2: Convert to fraction form
    4,435.65/6,122.48 = 3,109.68/x
  3. Step 3: Cross multiply
    4,435.65x = 6,122.48 × 3,109.68
  4. Step 4: Simplify right side
    4,435.65x = 19,038,938.06
  5. Step 5: Solve for x
    x = 19,038,938.06/4,435.65
  6. Step 6: Final answer
    x = 4,292.25

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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.