Home / 2,925.10-4,385.19-2,405.14

Finding the Fourth Proportional to 2,925.10, 4,385.19 and 2,405.14

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Solution

The fourth proportional to 2,925.10, 4,385.19 and 2,405.14 is: 3,605.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.10 : 4,385.19 = 2,405.14 : x
  2. Step 2: Convert to fraction form
    2,925.10/4,385.19 = 2,405.14/x
  3. Step 3: Cross multiply
    2,925.10x = 4,385.19 × 2,405.14
  4. Step 4: Simplify right side
    2,925.10x = 10,546,995.88
  5. Step 5: Solve for x
    x = 10,546,995.88/2,925.10
  6. Step 6: Final answer
    x = 3,605.69

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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.