Home / 3,113.60-4,297.14-1,751.12

Finding the Fourth Proportional to 3,113.60, 4,297.14 and 1,751.12

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Solution

The fourth proportional to 3,113.60, 4,297.14 and 1,751.12 is: 2,416.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.60 : 4,297.14 = 1,751.12 : x
  2. Step 2: Convert to fraction form
    3,113.60/4,297.14 = 1,751.12/x
  3. Step 3: Cross multiply
    3,113.60x = 4,297.14 × 1,751.12
  4. Step 4: Simplify right side
    3,113.60x = 7,524,807.80
  5. Step 5: Solve for x
    x = 7,524,807.80/3,113.60
  6. Step 6: Final answer
    x = 2,416.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.