Home / 2,914.48-4,014.92-2,167.12

Finding the Fourth Proportional to 2,914.48, 4,014.92 and 2,167.12

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Solution

The fourth proportional to 2,914.48, 4,014.92 and 2,167.12 is: 2,985.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.48 : 4,014.92 = 2,167.12 : x
  2. Step 2: Convert to fraction form
    2,914.48/4,014.92 = 2,167.12/x
  3. Step 3: Cross multiply
    2,914.48x = 4,014.92 × 2,167.12
  4. Step 4: Simplify right side
    2,914.48x = 8,700,782.52
  5. Step 5: Solve for x
    x = 8,700,782.52/2,914.48
  6. Step 6: Final answer
    x = 2,985.37

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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.