Home / 5,124.40-7,076.00-3,135.58

Finding the Fourth Proportional to 5,124.40, 7,076.00 and 3,135.58

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Solution

The fourth proportional to 5,124.40, 7,076.00 and 3,135.58 is: 4,329.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.40 : 7,076.00 = 3,135.58 : x
  2. Step 2: Convert to fraction form
    5,124.40/7,076.00 = 3,135.58/x
  3. Step 3: Cross multiply
    5,124.40x = 7,076.00 × 3,135.58
  4. Step 4: Simplify right side
    5,124.40x = 22,187,354.23
  5. Step 5: Solve for x
    x = 22,187,354.23/5,124.40
  6. Step 6: Final answer
    x = 4,329.75

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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.