Home / 3,225.96-4,457.88-2,636.28

Finding the Fourth Proportional to 3,225.96, 4,457.88 and 2,636.28

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Solution

The fourth proportional to 3,225.96, 4,457.88 and 2,636.28 is: 3,643.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.96 : 4,457.88 = 2,636.28 : x
  2. Step 2: Convert to fraction form
    3,225.96/4,457.88 = 2,636.28/x
  3. Step 3: Cross multiply
    3,225.96x = 4,457.88 × 2,636.28
  4. Step 4: Simplify right side
    3,225.96x = 11,752,219.89
  5. Step 5: Solve for x
    x = 11,752,219.89/3,225.96
  6. Step 6: Final answer
    x = 3,643.01

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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.