Home / 3,114.04-4,287.72-2,670.16

Finding the Fourth Proportional to 3,114.04, 4,287.72 and 2,670.16

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Solution

The fourth proportional to 3,114.04, 4,287.72 and 2,670.16 is: 3,676.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.04 : 4,287.72 = 2,670.16 : x
  2. Step 2: Convert to fraction form
    3,114.04/4,287.72 = 2,670.16/x
  3. Step 3: Cross multiply
    3,114.04x = 4,287.72 × 2,670.16
  4. Step 4: Simplify right side
    3,114.04x = 11,448,898.44
  5. Step 5: Solve for x
    x = 11,448,898.44/3,114.04
  6. Step 6: Final answer
    x = 3,676.54

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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.