Home / 4,071.12-5,615.64-2,477.04

Finding the Fourth Proportional to 4,071.12, 5,615.64 and 2,477.04

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Solution

The fourth proportional to 4,071.12, 5,615.64 and 2,477.04 is: 3,416.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.12 : 5,615.64 = 2,477.04 : x
  2. Step 2: Convert to fraction form
    4,071.12/5,615.64 = 2,477.04/x
  3. Step 3: Cross multiply
    4,071.12x = 5,615.64 × 2,477.04
  4. Step 4: Simplify right side
    4,071.12x = 13,910,164.91
  5. Step 5: Solve for x
    x = 13,910,164.91/4,071.12
  6. Step 6: Final answer
    x = 3,416.79

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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.