Home / 2,746.10-4,128.24-2,543.18

Finding the Fourth Proportional to 2,746.10, 4,128.24 and 2,543.18

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Solution

The fourth proportional to 2,746.10, 4,128.24 and 2,543.18 is: 3,823.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746.10 : 4,128.24 = 2,543.18 : x
  2. Step 2: Convert to fraction form
    2,746.10/4,128.24 = 2,543.18/x
  3. Step 3: Cross multiply
    2,746.10x = 4,128.24 × 2,543.18
  4. Step 4: Simplify right side
    2,746.10x = 10,498,857.40
  5. Step 5: Solve for x
    x = 10,498,857.40/2,746.10
  6. Step 6: Final answer
    x = 3,823.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.