Home / 2,636.48-3,642.88-2,543.04

Finding the Fourth Proportional to 2,636.48, 3,642.88 and 2,543.04

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Solution

The fourth proportional to 2,636.48, 3,642.88 and 2,543.04 is: 3,513.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636.48 : 3,642.88 = 2,543.04 : x
  2. Step 2: Convert to fraction form
    2,636.48/3,642.88 = 2,543.04/x
  3. Step 3: Cross multiply
    2,636.48x = 3,642.88 × 2,543.04
  4. Step 4: Simplify right side
    2,636.48x = 9,263,989.56
  5. Step 5: Solve for x
    x = 9,263,989.56/2,636.48
  6. Step 6: Final answer
    x = 3,513.77

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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.