Home / 1,410.12-2,115.38-532.95

Finding the Fourth Proportional to 1,410.12, 2,115.38 and 532.95

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Solution

The fourth proportional to 1,410.12, 2,115.38 and 532.95 is: 799.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410.12 : 2,115.38 = 532.95 : x
  2. Step 2: Convert to fraction form
    1,410.12/2,115.38 = 532.95/x
  3. Step 3: Cross multiply
    1,410.12x = 2,115.38 × 532.95
  4. Step 4: Simplify right side
    1,410.12x = 1,127,378.53
  5. Step 5: Solve for x
    x = 1,127,378.53/1,410.12
  6. Step 6: Final answer
    x = 799.49

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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.