Home / 1,924.72-2,888.48-1,432.24

Finding the Fourth Proportional to 1,924.72, 2,888.48 and 1,432.24

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Solution

The fourth proportional to 1,924.72, 2,888.48 and 1,432.24 is: 2,149.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.72 : 2,888.48 = 1,432.24 : x
  2. Step 2: Convert to fraction form
    1,924.72/2,888.48 = 1,432.24/x
  3. Step 3: Cross multiply
    1,924.72x = 2,888.48 × 1,432.24
  4. Step 4: Simplify right side
    1,924.72x = 4,136,996.60
  5. Step 5: Solve for x
    x = 4,136,996.60/1,924.72
  6. Step 6: Final answer
    x = 2,149.40

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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.