Home / 7,575.85-11,368.97-2,645.49

Finding the Fourth Proportional to 7,575.85, 11,368.97 and 2,645.49

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Solution

The fourth proportional to 7,575.85, 11,368.97 and 2,645.49 is: 3,970.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,575.85 : 11,368.97 = 2,645.49 : x
  2. Step 2: Convert to fraction form
    7,575.85/11,368.97 = 2,645.49/x
  3. Step 3: Cross multiply
    7,575.85x = 11,368.97 × 2,645.49
  4. Step 4: Simplify right side
    7,575.85x = 30,076,535.77
  5. Step 5: Solve for x
    x = 30,076,535.77/7,575.85
  6. Step 6: Final answer
    x = 3,970.05

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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.