Home / 3,117.29-4,676.15-1,037.21

Finding the Fourth Proportional to 3,117.29, 4,676.15 and 1,037.21

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Solution

The fourth proportional to 3,117.29, 4,676.15 and 1,037.21 is: 1,555.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.29 : 4,676.15 = 1,037.21 : x
  2. Step 2: Convert to fraction form
    3,117.29/4,676.15 = 1,037.21/x
  3. Step 3: Cross multiply
    3,117.29x = 4,676.15 × 1,037.21
  4. Step 4: Simplify right side
    3,117.29x = 4,850,156.05
  5. Step 5: Solve for x
    x = 4,850,156.05/3,117.29
  6. Step 6: Final answer
    x = 1,555.89

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Double scale
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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.