Home / 3,117.17-4,672.41-1,554.09

Finding the Fourth Proportional to 3,117.17, 4,672.41 and 1,554.09

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Solution

The fourth proportional to 3,117.17, 4,672.41 and 1,554.09 is: 2,329.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.17 : 4,672.41 = 1,554.09 : x
  2. Step 2: Convert to fraction form
    3,117.17/4,672.41 = 1,554.09/x
  3. Step 3: Cross multiply
    3,117.17x = 4,672.41 × 1,554.09
  4. Step 4: Simplify right side
    3,117.17x = 7,261,345.66
  5. Step 5: Solve for x
    x = 7,261,345.66/3,117.17
  6. Step 6: Final answer
    x = 2,329.47

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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.