Home / 7,429.05-10,252.17-4,071.79

Finding the Fourth Proportional to 7,429.05, 10,252.17 and 4,071.79

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Solution

The fourth proportional to 7,429.05, 10,252.17 and 4,071.79 is: 5,619.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.05 : 10,252.17 = 4,071.79 : x
  2. Step 2: Convert to fraction form
    7,429.05/10,252.17 = 4,071.79/x
  3. Step 3: Cross multiply
    7,429.05x = 10,252.17 × 4,071.79
  4. Step 4: Simplify right side
    7,429.05x = 41,744,683.28
  5. Step 5: Solve for x
    x = 41,744,683.28/7,429.05
  6. Step 6: Final answer
    x = 5,619.11

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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.