Home / 1,474.06-2,210.55-433.80

Finding the Fourth Proportional to 1,474.06, 2,210.55 and 433.80

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Solution

The fourth proportional to 1,474.06, 2,210.55 and 433.80 is: 650.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.06 : 2,210.55 = 433.80 : x
  2. Step 2: Convert to fraction form
    1,474.06/2,210.55 = 433.80/x
  3. Step 3: Cross multiply
    1,474.06x = 2,210.55 × 433.80
  4. Step 4: Simplify right side
    1,474.06x = 958,925.54
  5. Step 5: Solve for x
    x = 958,925.54/1,474.06
  6. Step 6: Final answer
    x = 650.53

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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.