Home / 4,342.40-5,992.20-2,574.12

Finding the Fourth Proportional to 4,342.40, 5,992.20 and 2,574.12

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Solution

The fourth proportional to 4,342.40, 5,992.20 and 2,574.12 is: 3,552.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,342.40 : 5,992.20 = 2,574.12 : x
  2. Step 2: Convert to fraction form
    4,342.40/5,992.20 = 2,574.12/x
  3. Step 3: Cross multiply
    4,342.40x = 5,992.20 × 2,574.12
  4. Step 4: Simplify right side
    4,342.40x = 15,424,641.86
  5. Step 5: Solve for x
    x = 15,424,641.86/4,342.40
  6. Step 6: Final answer
    x = 3,552.10

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Half 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.