Home / 3,117.24-4,675.96-925.94

Finding the Fourth Proportional to 3,117.24, 4,675.96 and 925.94

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Solution

The fourth proportional to 3,117.24, 4,675.96 and 925.94 is: 1,388.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.24 : 4,675.96 = 925.94 : x
  2. Step 2: Convert to fraction form
    3,117.24/4,675.96 = 925.94/x
  3. Step 3: Cross multiply
    3,117.24x = 4,675.96 × 925.94
  4. Step 4: Simplify right side
    3,117.24x = 4,329,658.40
  5. Step 5: Solve for x
    x = 4,329,658.40/3,117.24
  6. Step 6: Final answer
    x = 1,388.94

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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.