Home / 4,139.11-5,712.80-2,460.19

Finding the Fourth Proportional to 4,139.11, 5,712.80 and 2,460.19

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Solution

The fourth proportional to 4,139.11, 5,712.80 and 2,460.19 is: 3,395.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.11 : 5,712.80 = 2,460.19 : x
  2. Step 2: Convert to fraction form
    4,139.11/5,712.80 = 2,460.19/x
  3. Step 3: Cross multiply
    4,139.11x = 5,712.80 × 2,460.19
  4. Step 4: Simplify right side
    4,139.11x = 14,054,573.43
  5. Step 5: Solve for x
    x = 14,054,573.43/4,139.11
  6. Step 6: Final answer
    x = 3,395.55

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Half scale
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Double scale
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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.