Home / 3,345.45-5,014.63-1,784.49

Finding the Fourth Proportional to 3,345.45, 5,014.63 and 1,784.49

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Solution

The fourth proportional to 3,345.45, 5,014.63 and 1,784.49 is: 2,674.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.45 : 5,014.63 = 1,784.49 : x
  2. Step 2: Convert to fraction form
    3,345.45/5,014.63 = 1,784.49/x
  3. Step 3: Cross multiply
    3,345.45x = 5,014.63 × 1,784.49
  4. Step 4: Simplify right side
    3,345.45x = 8,948,557.09
  5. Step 5: Solve for x
    x = 8,948,557.09/3,345.45
  6. Step 6: Final answer
    x = 2,674.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.