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Finding the Fourth Proportional to 1,973.85, 2,724.08 and 1,134.69

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Solution

The fourth proportional to 1,973.85, 2,724.08 and 1,134.69 is: 1,565.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973.85 : 2,724.08 = 1,134.69 : x
  2. Step 2: Convert to fraction form
    1,973.85/2,724.08 = 1,134.69/x
  3. Step 3: Cross multiply
    1,973.85x = 2,724.08 × 1,134.69
  4. Step 4: Simplify right side
    1,973.85x = 3,090,980.66
  5. Step 5: Solve for x
    x = 3,090,980.66/1,973.85
  6. Step 6: Final answer
    x = 1,565.97

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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.