Home / 4,877.10-7,326.45-3,419.10

Finding the Fourth Proportional to 4,877.10, 7,326.45 and 3,419.10

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Solution

The fourth proportional to 4,877.10, 7,326.45 and 3,419.10 is: 5,136.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877.10 : 7,326.45 = 3,419.10 : x
  2. Step 2: Convert to fraction form
    4,877.10/7,326.45 = 3,419.10/x
  3. Step 3: Cross multiply
    4,877.10x = 7,326.45 × 3,419.10
  4. Step 4: Simplify right side
    4,877.10x = 25,049,865.20
  5. Step 5: Solve for x
    x = 25,049,865.20/4,877.10
  6. Step 6: Final answer
    x = 5,136.22

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1.5x scale

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.