Home / 5,432.48-8,148.72-1,922.84

Finding the Fourth Proportional to 5,432.48, 8,148.72 and 1,922.84

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Solution

The fourth proportional to 5,432.48, 8,148.72 and 1,922.84 is: 2,884.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.48 : 8,148.72 = 1,922.84 : x
  2. Step 2: Convert to fraction form
    5,432.48/8,148.72 = 1,922.84/x
  3. Step 3: Cross multiply
    5,432.48x = 8,148.72 × 1,922.84
  4. Step 4: Simplify right side
    5,432.48x = 15,668,684.76
  5. Step 5: Solve for x
    x = 15,668,684.76/5,432.48
  6. Step 6: Final answer
    x = 2,884.26

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1.5x scale

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.