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Finding the Fourth Proportional to 2,995.72, 4,134.64 and 1,737.58

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Solution

The fourth proportional to 2,995.72, 4,134.64 and 1,737.58 is: 2,398.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,995.72 : 4,134.64 = 1,737.58 : x
  2. Step 2: Convert to fraction form
    2,995.72/4,134.64 = 1,737.58/x
  3. Step 3: Cross multiply
    2,995.72x = 4,134.64 × 1,737.58
  4. Step 4: Simplify right side
    2,995.72x = 7,184,267.77
  5. Step 5: Solve for x
    x = 7,184,267.77/2,995.72
  6. Step 6: Final answer
    x = 2,398.18

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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.