Home / 4,115.40-6,173.10-1,037.40

Finding the Fourth Proportional to 4,115.40, 6,173.10 and 1,037.40

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Solution

The fourth proportional to 4,115.40, 6,173.10 and 1,037.40 is: 1,556.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.40 : 6,173.10 = 1,037.40 : x
  2. Step 2: Convert to fraction form
    4,115.40/6,173.10 = 1,037.40/x
  3. Step 3: Cross multiply
    4,115.40x = 6,173.10 × 1,037.40
  4. Step 4: Simplify right side
    4,115.40x = 6,403,973.94
  5. Step 5: Solve for x
    x = 6,403,973.94/4,115.40
  6. Step 6: Final answer
    x = 1,556.10

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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.