Home / 3,785.17-5,677.69-1,703.70

Finding the Fourth Proportional to 3,785.17, 5,677.69 and 1,703.70

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Solution

The fourth proportional to 3,785.17, 5,677.69 and 1,703.70 is: 2,555.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.17 : 5,677.69 = 1,703.70 : x
  2. Step 2: Convert to fraction form
    3,785.17/5,677.69 = 1,703.70/x
  3. Step 3: Cross multiply
    3,785.17x = 5,677.69 × 1,703.70
  4. Step 4: Simplify right side
    3,785.17x = 9,673,080.45
  5. Step 5: Solve for x
    x = 9,673,080.45/3,785.17
  6. Step 6: Final answer
    x = 2,555.52

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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.