Home / 7,400.60-10,212.91-4,043.51

Finding the Fourth Proportional to 7,400.60, 10,212.91 and 4,043.51

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Solution

The fourth proportional to 7,400.60, 10,212.91 and 4,043.51 is: 5,580.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.60 : 10,212.91 = 4,043.51 : x
  2. Step 2: Convert to fraction form
    7,400.60/10,212.91 = 4,043.51/x
  3. Step 3: Cross multiply
    7,400.60x = 10,212.91 × 4,043.51
  4. Step 4: Simplify right side
    7,400.60x = 41,296,003.71
  5. Step 5: Solve for x
    x = 41,296,003.71/7,400.60
  6. Step 6: Final answer
    x = 5,580.09

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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.