Home / 3,115.52-4,673.24-924.27

Finding the Fourth Proportional to 3,115.52, 4,673.24 and 924.27

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Solution

The fourth proportional to 3,115.52, 4,673.24 and 924.27 is: 1,386.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.52 : 4,673.24 = 924.27 : x
  2. Step 2: Convert to fraction form
    3,115.52/4,673.24 = 924.27/x
  3. Step 3: Cross multiply
    3,115.52x = 4,673.24 × 924.27
  4. Step 4: Simplify right side
    3,115.52x = 4,319,335.53
  5. Step 5: Solve for x
    x = 4,319,335.53/3,115.52
  6. Step 6: Final answer
    x = 1,386.39

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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.