Home / 7,880.51-10,877.27-4,523.63

Finding the Fourth Proportional to 7,880.51, 10,877.27 and 4,523.63

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Solution

The fourth proportional to 7,880.51, 10,877.27 and 4,523.63 is: 6,243.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880.51 : 10,877.27 = 4,523.63 : x
  2. Step 2: Convert to fraction form
    7,880.51/10,877.27 = 4,523.63/x
  3. Step 3: Cross multiply
    7,880.51x = 10,877.27 × 4,523.63
  4. Step 4: Simplify right side
    7,880.51x = 49,204,667.89
  5. Step 5: Solve for x
    x = 49,204,667.89/7,880.51
  6. Step 6: Final answer
    x = 6,243.84

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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.