Home / 6,709.86-9,258.20-4,057.40

Finding the Fourth Proportional to 6,709.86, 9,258.20 and 4,057.40

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Solution

The fourth proportional to 6,709.86, 9,258.20 and 4,057.40 is: 5,598.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,709.86 : 9,258.20 = 4,057.40 : x
  2. Step 2: Convert to fraction form
    6,709.86/9,258.20 = 4,057.40/x
  3. Step 3: Cross multiply
    6,709.86x = 9,258.20 × 4,057.40
  4. Step 4: Simplify right side
    6,709.86x = 37,564,220.68
  5. Step 5: Solve for x
    x = 37,564,220.68/6,709.86
  6. Step 6: Final answer
    x = 5,598.36

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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.