Home / 2,483.03-3,426.36-1,420.58

Finding the Fourth Proportional to 2,483.03, 3,426.36 and 1,420.58

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Solution

The fourth proportional to 2,483.03, 3,426.36 and 1,420.58 is: 1,960.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,483.03 : 3,426.36 = 1,420.58 : x
  2. Step 2: Convert to fraction form
    2,483.03/3,426.36 = 1,420.58/x
  3. Step 3: Cross multiply
    2,483.03x = 3,426.36 × 1,420.58
  4. Step 4: Simplify right side
    2,483.03x = 4,867,401.36
  5. Step 5: Solve for x
    x = 4,867,401.36/2,483.03
  6. Step 6: Final answer
    x = 1,960.27

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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.