Home / 2,701.70-3,728.66-1,862.13

Finding the Fourth Proportional to 2,701.70, 3,728.66 and 1,862.13

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Solution

The fourth proportional to 2,701.70, 3,728.66 and 1,862.13 is: 2,569.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,701.70 : 3,728.66 = 1,862.13 : x
  2. Step 2: Convert to fraction form
    2,701.70/3,728.66 = 1,862.13/x
  3. Step 3: Cross multiply
    2,701.70x = 3,728.66 × 1,862.13
  4. Step 4: Simplify right side
    2,701.70x = 6,943,240.34
  5. Step 5: Solve for x
    x = 6,943,240.34/2,701.70
  6. Step 6: Final answer
    x = 2,569.96

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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.