Home / 3,117.39-4,675.27-925.59

Finding the Fourth Proportional to 3,117.39, 4,675.27 and 925.59

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Solution

The fourth proportional to 3,117.39, 4,675.27 and 925.59 is: 1,388.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.39 : 4,675.27 = 925.59 : x
  2. Step 2: Convert to fraction form
    3,117.39/4,675.27 = 925.59/x
  3. Step 3: Cross multiply
    3,117.39x = 4,675.27 × 925.59
  4. Step 4: Simplify right side
    3,117.39x = 4,327,400.11
  5. Step 5: Solve for x
    x = 4,327,400.11/3,117.39
  6. Step 6: Final answer
    x = 1,388.15

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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.