Home / 3,005.12-4,146.77-1,746.14

Finding the Fourth Proportional to 3,005.12, 4,146.77 and 1,746.14

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Solution

The fourth proportional to 3,005.12, 4,146.77 and 1,746.14 is: 2,409.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.12 : 4,146.77 = 1,746.14 : x
  2. Step 2: Convert to fraction form
    3,005.12/4,146.77 = 1,746.14/x
  3. Step 3: Cross multiply
    3,005.12x = 4,146.77 × 1,746.14
  4. Step 4: Simplify right side
    3,005.12x = 7,240,855.70
  5. Step 5: Solve for x
    x = 7,240,855.70/3,005.12
  6. Step 6: Final answer
    x = 2,409.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.