Home / 7,066.20-9,752.45-4,081.80

Finding the Fourth Proportional to 7,066.20, 9,752.45 and 4,081.80

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Solution

The fourth proportional to 7,066.20, 9,752.45 and 4,081.80 is: 5,633.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,066.20 : 9,752.45 = 4,081.80 : x
  2. Step 2: Convert to fraction form
    7,066.20/9,752.45 = 4,081.80/x
  3. Step 3: Cross multiply
    7,066.20x = 9,752.45 × 4,081.80
  4. Step 4: Simplify right side
    7,066.20x = 39,807,550.41
  5. Step 5: Solve for x
    x = 39,807,550.41/7,066.20
  6. Step 6: Final answer
    x = 5,633.52

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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.