Home / 2,924.71-4,034.94-1,862.20

Finding the Fourth Proportional to 2,924.71, 4,034.94 and 1,862.20

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Solution

The fourth proportional to 2,924.71, 4,034.94 and 1,862.20 is: 2,569.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,924.71 : 4,034.94 = 1,862.20 : x
  2. Step 2: Convert to fraction form
    2,924.71/4,034.94 = 1,862.20/x
  3. Step 3: Cross multiply
    2,924.71x = 4,034.94 × 1,862.20
  4. Step 4: Simplify right side
    2,924.71x = 7,513,865.27
  5. Step 5: Solve for x
    x = 7,513,865.27/2,924.71
  6. Step 6: Final answer
    x = 2,569.10

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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.