Home / 3,117.04-4,676.10-3,113.80

Finding the Fourth Proportional to 3,117.04, 4,676.10 and 3,113.80

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Solution

The fourth proportional to 3,117.04, 4,676.10 and 3,113.80 is: 4,671.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.04 : 4,676.10 = 3,113.80 : x
  2. Step 2: Convert to fraction form
    3,117.04/4,676.10 = 3,113.80/x
  3. Step 3: Cross multiply
    3,117.04x = 4,676.10 × 3,113.80
  4. Step 4: Simplify right side
    3,117.04x = 14,560,440.18
  5. Step 5: Solve for x
    x = 14,560,440.18/3,117.04
  6. Step 6: Final answer
    x = 4,671.24

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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.