Home / 7,550.40-11,327.55-2,870.49

Finding the Fourth Proportional to 7,550.40, 11,327.55 and 2,870.49

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Solution

The fourth proportional to 7,550.40, 11,327.55 and 2,870.49 is: 4,306.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,550.40 : 11,327.55 = 2,870.49 : x
  2. Step 2: Convert to fraction form
    7,550.40/11,327.55 = 2,870.49/x
  3. Step 3: Cross multiply
    7,550.40x = 11,327.55 × 2,870.49
  4. Step 4: Simplify right side
    7,550.40x = 32,515,619.00
  5. Step 5: Solve for x
    x = 32,515,619.00/7,550.40
  6. Step 6: Final answer
    x = 4,306.48

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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.