Home / 2,251.02-3,356.70-2,095.20

Finding the Fourth Proportional to 2,251.02, 3,356.70 and 2,095.20

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Solution

The fourth proportional to 2,251.02, 3,356.70 and 2,095.20 is: 3,124.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.02 : 3,356.70 = 2,095.20 : x
  2. Step 2: Convert to fraction form
    2,251.02/3,356.70 = 2,095.20/x
  3. Step 3: Cross multiply
    2,251.02x = 3,356.70 × 2,095.20
  4. Step 4: Simplify right side
    2,251.02x = 7,032,957.84
  5. Step 5: Solve for x
    x = 7,032,957.84/2,251.02
  6. Step 6: Final answer
    x = 3,124.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.