Home / 1,862.14-2,569.76-1,116.73

Finding the Fourth Proportional to 1,862.14, 2,569.76 and 1,116.73

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Solution

The fourth proportional to 1,862.14, 2,569.76 and 1,116.73 is: 1,541.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862.14 : 2,569.76 = 1,116.73 : x
  2. Step 2: Convert to fraction form
    1,862.14/2,569.76 = 1,116.73/x
  3. Step 3: Cross multiply
    1,862.14x = 2,569.76 × 1,116.73
  4. Step 4: Simplify right side
    1,862.14x = 2,869,728.08
  5. Step 5: Solve for x
    x = 2,869,728.08/1,862.14
  6. Step 6: Final answer
    x = 1,541.09

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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.