Home / 4,139.77-5,712.63-2,461.33

Finding the Fourth Proportional to 4,139.77, 5,712.63 and 2,461.33

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Solution

The fourth proportional to 4,139.77, 5,712.63 and 2,461.33 is: 3,396.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.77 : 5,712.63 = 2,461.33 : x
  2. Step 2: Convert to fraction form
    4,139.77/5,712.63 = 2,461.33/x
  3. Step 3: Cross multiply
    4,139.77x = 5,712.63 × 2,461.33
  4. Step 4: Simplify right side
    4,139.77x = 14,060,667.60
  5. Step 5: Solve for x
    x = 14,060,667.60/4,139.77
  6. Step 6: Final answer
    x = 3,396.49

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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.