Home / 4,071.22-5,618.09-2,302.79

Finding the Fourth Proportional to 4,071.22, 5,618.09 and 2,302.79

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Solution

The fourth proportional to 4,071.22, 5,618.09 and 2,302.79 is: 3,177.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.22 : 5,618.09 = 2,302.79 : x
  2. Step 2: Convert to fraction form
    4,071.22/5,618.09 = 2,302.79/x
  3. Step 3: Cross multiply
    4,071.22x = 5,618.09 × 2,302.79
  4. Step 4: Simplify right side
    4,071.22x = 12,937,281.47
  5. Step 5: Solve for x
    x = 12,937,281.47/4,071.22
  6. Step 6: Final answer
    x = 3,177.74

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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.