Home / 2,390.24-3,583.22-929.05

Finding the Fourth Proportional to 2,390.24, 3,583.22 and 929.05

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Solution

The fourth proportional to 2,390.24, 3,583.22 and 929.05 is: 1,392.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390.24 : 3,583.22 = 929.05 : x
  2. Step 2: Convert to fraction form
    2,390.24/3,583.22 = 929.05/x
  3. Step 3: Cross multiply
    2,390.24x = 3,583.22 × 929.05
  4. Step 4: Simplify right side
    2,390.24x = 3,328,972.62
  5. Step 5: Solve for x
    x = 3,328,972.62/2,390.24
  6. Step 6: Final answer
    x = 1,392.74

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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.