Home / 1,410.12-2,113.68-532.20

Finding the Fourth Proportional to 1,410.12, 2,113.68 and 532.20

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Solution

The fourth proportional to 1,410.12, 2,113.68 and 532.20 is: 797.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410.12 : 2,113.68 = 532.20 : x
  2. Step 2: Convert to fraction form
    1,410.12/2,113.68 = 532.20/x
  3. Step 3: Cross multiply
    1,410.12x = 2,113.68 × 532.20
  4. Step 4: Simplify right side
    1,410.12x = 1,124,900.50
  5. Step 5: Solve for x
    x = 1,124,900.50/1,410.12
  6. Step 6: Final answer
    x = 797.73

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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.