Home / 2,992.18-4,130.93-2,327.58

Finding the Fourth Proportional to 2,992.18, 4,130.93 and 2,327.58

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Solution

The fourth proportional to 2,992.18, 4,130.93 and 2,327.58 is: 3,213.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992.18 : 4,130.93 = 2,327.58 : x
  2. Step 2: Convert to fraction form
    2,992.18/4,130.93 = 2,327.58/x
  3. Step 3: Cross multiply
    2,992.18x = 4,130.93 × 2,327.58
  4. Step 4: Simplify right side
    2,992.18x = 9,615,070.05
  5. Step 5: Solve for x
    x = 9,615,070.05/2,992.18
  6. Step 6: Final answer
    x = 3,213.40

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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.