Home / 3,005.16-4,147.11-1,746.15

Finding the Fourth Proportional to 3,005.16, 4,147.11 and 1,746.15

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Solution

The fourth proportional to 3,005.16, 4,147.11 and 1,746.15 is: 2,409.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.16 : 4,147.11 = 1,746.15 : x
  2. Step 2: Convert to fraction form
    3,005.16/4,147.11 = 1,746.15/x
  3. Step 3: Cross multiply
    3,005.16x = 4,147.11 × 1,746.15
  4. Step 4: Simplify right side
    3,005.16x = 7,241,476.13
  5. Step 5: Solve for x
    x = 7,241,476.13/3,005.16
  6. Step 6: Final answer
    x = 2,409.68

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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.