Home / 4,077.47-5,627.81-2,309.65

Finding the Fourth Proportional to 4,077.47, 5,627.81 and 2,309.65

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Solution

The fourth proportional to 4,077.47, 5,627.81 and 2,309.65 is: 3,187.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.47 : 5,627.81 = 2,309.65 : x
  2. Step 2: Convert to fraction form
    4,077.47/5,627.81 = 2,309.65/x
  3. Step 3: Cross multiply
    4,077.47x = 5,627.81 × 2,309.65
  4. Step 4: Simplify right side
    4,077.47x = 12,998,263.07
  5. Step 5: Solve for x
    x = 12,998,263.07/4,077.47
  6. Step 6: Final answer
    x = 3,187.82

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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.