Home / 5,776.38-7,970.81-3,258.63

Finding the Fourth Proportional to 5,776.38, 7,970.81 and 3,258.63

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Solution

The fourth proportional to 5,776.38, 7,970.81 and 3,258.63 is: 4,496.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,776.38 : 7,970.81 = 3,258.63 : x
  2. Step 2: Convert to fraction form
    5,776.38/7,970.81 = 3,258.63/x
  3. Step 3: Cross multiply
    5,776.38x = 7,970.81 × 3,258.63
  4. Step 4: Simplify right side
    5,776.38x = 25,973,904.30
  5. Step 5: Solve for x
    x = 25,973,904.30/5,776.38
  6. Step 6: Final answer
    x = 4,496.57

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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.