Home / 7,783.39-10,741.38-4,426.51

Finding the Fourth Proportional to 7,783.39, 10,741.38 and 4,426.51

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Solution

The fourth proportional to 7,783.39, 10,741.38 and 4,426.51 is: 6,108.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,783.39 : 10,741.38 = 4,426.51 : x
  2. Step 2: Convert to fraction form
    7,783.39/10,741.38 = 4,426.51/x
  3. Step 3: Cross multiply
    7,783.39x = 10,741.38 × 4,426.51
  4. Step 4: Simplify right side
    7,783.39x = 47,546,750.14
  5. Step 5: Solve for x
    x = 47,546,750.14/7,783.39
  6. Step 6: Final answer
    x = 6,108.75

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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.