Home / 3,005.10-4,146.80-1,746.16

Finding the Fourth Proportional to 3,005.10, 4,146.80 and 1,746.16

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Solution

The fourth proportional to 3,005.10, 4,146.80 and 1,746.16 is: 2,409.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.10 : 4,146.80 = 1,746.16 : x
  2. Step 2: Convert to fraction form
    3,005.10/4,146.80 = 1,746.16/x
  3. Step 3: Cross multiply
    3,005.10x = 4,146.80 × 1,746.16
  4. Step 4: Simplify right side
    3,005.10x = 7,240,957.19
  5. Step 5: Solve for x
    x = 7,240,957.19/3,005.10
  6. Step 6: Final answer
    x = 2,409.56

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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.