Home / 3,005.24-4,147.16-1,746.40

Finding the Fourth Proportional to 3,005.24, 4,147.16 and 1,746.40

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Solution

The fourth proportional to 3,005.24, 4,147.16 and 1,746.40 is: 2,409.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.24 : 4,147.16 = 1,746.40 : x
  2. Step 2: Convert to fraction form
    3,005.24/4,147.16 = 1,746.40/x
  3. Step 3: Cross multiply
    3,005.24x = 4,147.16 × 1,746.40
  4. Step 4: Simplify right side
    3,005.24x = 7,242,600.22
  5. Step 5: Solve for x
    x = 7,242,600.22/3,005.24
  6. Step 6: Final answer
    x = 2,409.99

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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.