Home / 5,502.72-7,594.30-3,145.20

Finding the Fourth Proportional to 5,502.72, 7,594.30 and 3,145.20

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Solution

The fourth proportional to 5,502.72, 7,594.30 and 3,145.20 is: 4,340.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,502.72 : 7,594.30 = 3,145.20 : x
  2. Step 2: Convert to fraction form
    5,502.72/7,594.30 = 3,145.20/x
  3. Step 3: Cross multiply
    5,502.72x = 7,594.30 × 3,145.20
  4. Step 4: Simplify right side
    5,502.72x = 23,885,592.36
  5. Step 5: Solve for x
    x = 23,885,592.36/5,502.72
  6. Step 6: Final answer
    x = 4,340.69

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Half scale
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Double scale
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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.