Home / 4,071.36-5,618.52-2,392.80

Finding the Fourth Proportional to 4,071.36, 5,618.52 and 2,392.80

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Solution

The fourth proportional to 4,071.36, 5,618.52 and 2,392.80 is: 3,302.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.36 : 5,618.52 = 2,392.80 : x
  2. Step 2: Convert to fraction form
    4,071.36/5,618.52 = 2,392.80/x
  3. Step 3: Cross multiply
    4,071.36x = 5,618.52 × 2,392.80
  4. Step 4: Simplify right side
    4,071.36x = 13,443,994.66
  5. Step 5: Solve for x
    x = 13,443,994.66/4,071.36
  6. Step 6: Final answer
    x = 3,302.09

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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.