Home / 2,924.25-4,035.47-1,931.19

Finding the Fourth Proportional to 2,924.25, 4,035.47 and 1,931.19

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Solution

The fourth proportional to 2,924.25, 4,035.47 and 1,931.19 is: 2,665.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,924.25 : 4,035.47 = 1,931.19 : x
  2. Step 2: Convert to fraction form
    2,924.25/4,035.47 = 1,931.19/x
  3. Step 3: Cross multiply
    2,924.25x = 4,035.47 × 1,931.19
  4. Step 4: Simplify right side
    2,924.25x = 7,793,249.65
  5. Step 5: Solve for x
    x = 7,793,249.65/2,924.25
  6. Step 6: Final answer
    x = 2,665.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.