Home / 5,707.20-7,876.71-3,284.51

Finding the Fourth Proportional to 5,707.20, 7,876.71 and 3,284.51

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Solution

The fourth proportional to 5,707.20, 7,876.71 and 3,284.51 is: 4,533.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,707.20 : 7,876.71 = 3,284.51 : x
  2. Step 2: Convert to fraction form
    5,707.20/7,876.71 = 3,284.51/x
  3. Step 3: Cross multiply
    5,707.20x = 7,876.71 × 3,284.51
  4. Step 4: Simplify right side
    5,707.20x = 25,871,140.97
  5. Step 5: Solve for x
    x = 25,871,140.97/5,707.20
  6. Step 6: Final answer
    x = 4,533.07

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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.