Home / 3,115.16-4,673.34-1,167.32

Finding the Fourth Proportional to 3,115.16, 4,673.34 and 1,167.32

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Solution

The fourth proportional to 3,115.16, 4,673.34 and 1,167.32 is: 1,751.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.16 : 4,673.34 = 1,167.32 : x
  2. Step 2: Convert to fraction form
    3,115.16/4,673.34 = 1,167.32/x
  3. Step 3: Cross multiply
    3,115.16x = 4,673.34 × 1,167.32
  4. Step 4: Simplify right side
    3,115.16x = 5,455,283.25
  5. Step 5: Solve for x
    x = 5,455,283.25/3,115.16
  6. Step 6: Final answer
    x = 1,751.20

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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.