Home / 6,709.35-9,258.39-3,875.43

Finding the Fourth Proportional to 6,709.35, 9,258.39 and 3,875.43

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Solution

The fourth proportional to 6,709.35, 9,258.39 and 3,875.43 is: 5,347.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,709.35 : 9,258.39 = 3,875.43 : x
  2. Step 2: Convert to fraction form
    6,709.35/9,258.39 = 3,875.43/x
  3. Step 3: Cross multiply
    6,709.35x = 9,258.39 × 3,875.43
  4. Step 4: Simplify right side
    6,709.35x = 35,880,242.36
  5. Step 5: Solve for x
    x = 35,880,242.36/6,709.35
  6. Step 6: Final answer
    x = 5,347.80

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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.