Home / 4,465.39-6,698.15-1,178.81

Finding the Fourth Proportional to 4,465.39, 6,698.15 and 1,178.81

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Solution

The fourth proportional to 4,465.39, 6,698.15 and 1,178.81 is: 1,768.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,465.39 : 6,698.15 = 1,178.81 : x
  2. Step 2: Convert to fraction form
    4,465.39/6,698.15 = 1,178.81/x
  3. Step 3: Cross multiply
    4,465.39x = 6,698.15 × 1,178.81
  4. Step 4: Simplify right side
    4,465.39x = 7,895,846.20
  5. Step 5: Solve for x
    x = 7,895,846.20/4,465.39
  6. Step 6: Final answer
    x = 1,768.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.