Home / 4,253.77-6,380.65-1,175.77

Finding the Fourth Proportional to 4,253.77, 6,380.65 and 1,175.77

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Solution

The fourth proportional to 4,253.77, 6,380.65 and 1,175.77 is: 1,763.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.77 : 6,380.65 = 1,175.77 : x
  2. Step 2: Convert to fraction form
    4,253.77/6,380.65 = 1,175.77/x
  3. Step 3: Cross multiply
    4,253.77x = 6,380.65 × 1,175.77
  4. Step 4: Simplify right side
    4,253.77x = 7,502,147.10
  5. Step 5: Solve for x
    x = 7,502,147.10/4,253.77
  6. Step 6: Final answer
    x = 1,763.65

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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.