Home / 7,039.71-10,552.28-4,109.13

Finding the Fourth Proportional to 7,039.71, 10,552.28 and 4,109.13

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Solution

The fourth proportional to 7,039.71, 10,552.28 and 4,109.13 is: 6,159.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.71 : 10,552.28 = 4,109.13 : x
  2. Step 2: Convert to fraction form
    7,039.71/10,552.28 = 4,109.13/x
  3. Step 3: Cross multiply
    7,039.71x = 10,552.28 × 4,109.13
  4. Step 4: Simplify right side
    7,039.71x = 43,360,669.77
  5. Step 5: Solve for x
    x = 43,360,669.77/7,039.71
  6. Step 6: Final answer
    x = 6,159.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.