Home / 2,292.80-3,439.80-976.59

Finding the Fourth Proportional to 2,292.80, 3,439.80 and 976.59

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Solution

The fourth proportional to 2,292.80, 3,439.80 and 976.59 is: 1,465.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.80 : 3,439.80 = 976.59 : x
  2. Step 2: Convert to fraction form
    2,292.80/3,439.80 = 976.59/x
  3. Step 3: Cross multiply
    2,292.80x = 3,439.80 × 976.59
  4. Step 4: Simplify right side
    2,292.80x = 3,359,274.28
  5. Step 5: Solve for x
    x = 3,359,274.28/2,292.80
  6. Step 6: Final answer
    x = 1,465.14

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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.