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Finding the Fourth Proportional to 1,737.86, 2,399.36 and 1,551.02

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Solution

The fourth proportional to 1,737.86, 2,399.36 and 1,551.02 is: 2,141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,737.86 : 2,399.36 = 1,551.02 : x
  2. Step 2: Convert to fraction form
    1,737.86/2,399.36 = 1,551.02/x
  3. Step 3: Cross multiply
    1,737.86x = 2,399.36 × 1,551.02
  4. Step 4: Simplify right side
    1,737.86x = 3,721,455.35
  5. Step 5: Solve for x
    x = 3,721,455.35/1,737.86
  6. Step 6: Final answer
    x = 2,141.40

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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.