Home / 5,219.16-7,829.10-1,932.18

Finding the Fourth Proportional to 5,219.16, 7,829.10 and 1,932.18

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Solution

The fourth proportional to 5,219.16, 7,829.10 and 1,932.18 is: 2,898.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219.16 : 7,829.10 = 1,932.18 : x
  2. Step 2: Convert to fraction form
    5,219.16/7,829.10 = 1,932.18/x
  3. Step 3: Cross multiply
    5,219.16x = 7,829.10 × 1,932.18
  4. Step 4: Simplify right side
    5,219.16x = 15,127,230.44
  5. Step 5: Solve for x
    x = 15,127,230.44/5,219.16
  6. Step 6: Final answer
    x = 2,898.40

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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.