Home / 4,605.80-6,909.39-1,683.45

Finding the Fourth Proportional to 4,605.80, 6,909.39 and 1,683.45

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Solution

The fourth proportional to 4,605.80, 6,909.39 and 1,683.45 is: 2,525.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,605.80 : 6,909.39 = 1,683.45 : x
  2. Step 2: Convert to fraction form
    4,605.80/6,909.39 = 1,683.45/x
  3. Step 3: Cross multiply
    4,605.80x = 6,909.39 × 1,683.45
  4. Step 4: Simplify right side
    4,605.80x = 11,631,612.60
  5. Step 5: Solve for x
    x = 11,631,612.60/4,605.80
  6. Step 6: Final answer
    x = 2,525.43

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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.