Home / 4,078.99-5,630.06-2,508.40

Finding the Fourth Proportional to 4,078.99, 5,630.06 and 2,508.40

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Solution

The fourth proportional to 4,078.99, 5,630.06 and 2,508.40 is: 3,462.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.99 : 5,630.06 = 2,508.40 : x
  2. Step 2: Convert to fraction form
    4,078.99/5,630.06 = 2,508.40/x
  3. Step 3: Cross multiply
    4,078.99x = 5,630.06 × 2,508.40
  4. Step 4: Simplify right side
    4,078.99x = 14,122,401.81
  5. Step 5: Solve for x
    x = 14,122,401.81/4,078.99
  6. Step 6: Final answer
    x = 3,462.23

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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.