Home / 3,995.63-5,515.68-2,504.40

Finding the Fourth Proportional to 3,995.63, 5,515.68 and 2,504.40

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Solution

The fourth proportional to 3,995.63, 5,515.68 and 2,504.40 is: 3,457.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.63 : 5,515.68 = 2,504.40 : x
  2. Step 2: Convert to fraction form
    3,995.63/5,515.68 = 2,504.40/x
  3. Step 3: Cross multiply
    3,995.63x = 5,515.68 × 2,504.40
  4. Step 4: Simplify right side
    3,995.63x = 13,813,473.57
  5. Step 5: Solve for x
    x = 13,813,473.57/3,995.63
  6. Step 6: Final answer
    x = 3,457.14

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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.