Home / 2,971.26-4,095.81-2,340.63

Finding the Fourth Proportional to 2,971.26, 4,095.81 and 2,340.63

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Solution

The fourth proportional to 2,971.26, 4,095.81 and 2,340.63 is: 3,226.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.26 : 4,095.81 = 2,340.63 : x
  2. Step 2: Convert to fraction form
    2,971.26/4,095.81 = 2,340.63/x
  3. Step 3: Cross multiply
    2,971.26x = 4,095.81 × 2,340.63
  4. Step 4: Simplify right side
    2,971.26x = 9,586,775.76
  5. Step 5: Solve for x
    x = 9,586,775.76/2,971.26
  6. Step 6: Final answer
    x = 3,226.50

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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.