Home / 2,992.08-4,130.52-1,875.84

Finding the Fourth Proportional to 2,992.08, 4,130.52 and 1,875.84

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Solution

The fourth proportional to 2,992.08, 4,130.52 and 1,875.84 is: 2,589.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992.08 : 4,130.52 = 1,875.84 : x
  2. Step 2: Convert to fraction form
    2,992.08/4,130.52 = 1,875.84/x
  3. Step 3: Cross multiply
    2,992.08x = 4,130.52 × 1,875.84
  4. Step 4: Simplify right side
    2,992.08x = 7,748,194.64
  5. Step 5: Solve for x
    x = 7,748,194.64/2,992.08
  6. Step 6: Final answer
    x = 2,589.57

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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.