Home / 7,165.90-10,752.77-2,783.53

Finding the Fourth Proportional to 7,165.90, 10,752.77 and 2,783.53

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Solution

The fourth proportional to 7,165.90, 10,752.77 and 2,783.53 is: 4,176.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,165.90 : 10,752.77 = 2,783.53 : x
  2. Step 2: Convert to fraction form
    7,165.90/10,752.77 = 2,783.53/x
  3. Step 3: Cross multiply
    7,165.90x = 10,752.77 × 2,783.53
  4. Step 4: Simplify right side
    7,165.90x = 29,930,657.88
  5. Step 5: Solve for x
    x = 29,930,657.88/7,165.90
  6. Step 6: Final answer
    x = 4,176.82

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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.