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Finding the Fourth Proportional to 2,700.90, 3,718.29 and 2,368.80

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Solution

The fourth proportional to 2,700.90, 3,718.29 and 2,368.80 is: 3,261.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,700.90 : 3,718.29 = 2,368.80 : x
  2. Step 2: Convert to fraction form
    2,700.90/3,718.29 = 2,368.80/x
  3. Step 3: Cross multiply
    2,700.90x = 3,718.29 × 2,368.80
  4. Step 4: Simplify right side
    2,700.90x = 8,807,885.35
  5. Step 5: Solve for x
    x = 8,807,885.35/2,700.90
  6. Step 6: Final answer
    x = 3,261.09

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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.