Home / 3,742.49-5,160.78-2,483.09

Finding the Fourth Proportional to 3,742.49, 5,160.78 and 2,483.09

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Solution

The fourth proportional to 3,742.49, 5,160.78 and 2,483.09 is: 3,424.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.49 : 5,160.78 = 2,483.09 : x
  2. Step 2: Convert to fraction form
    3,742.49/5,160.78 = 2,483.09/x
  3. Step 3: Cross multiply
    3,742.49x = 5,160.78 × 2,483.09
  4. Step 4: Simplify right side
    3,742.49x = 12,814,681.21
  5. Step 5: Solve for x
    x = 12,814,681.21/3,742.49
  6. Step 6: Final answer
    x = 3,424.11

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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.