Home / 3,117.18-4,671.73-1,266.13

Finding the Fourth Proportional to 3,117.18, 4,671.73 and 1,266.13

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Solution

The fourth proportional to 3,117.18, 4,671.73 and 1,266.13 is: 1,897.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.18 : 4,671.73 = 1,266.13 : x
  2. Step 2: Convert to fraction form
    3,117.18/4,671.73 = 1,266.13/x
  3. Step 3: Cross multiply
    3,117.18x = 4,671.73 × 1,266.13
  4. Step 4: Simplify right side
    3,117.18x = 5,914,987.82
  5. Step 5: Solve for x
    x = 5,914,987.82/3,117.18
  6. Step 6: Final answer
    x = 1,897.54

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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.