Home / 3,005.42-4,146.57-1,746.23

Finding the Fourth Proportional to 3,005.42, 4,146.57 and 1,746.23

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Solution

The fourth proportional to 3,005.42, 4,146.57 and 1,746.23 is: 2,409.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.42 : 4,146.57 = 1,746.23 : x
  2. Step 2: Convert to fraction form
    3,005.42/4,146.57 = 1,746.23/x
  3. Step 3: Cross multiply
    3,005.42x = 4,146.57 × 1,746.23
  4. Step 4: Simplify right side
    3,005.42x = 7,240,875.30
  5. Step 5: Solve for x
    x = 7,240,875.30/3,005.42
  6. Step 6: Final answer
    x = 2,409.27

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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.