Home / 2,949.46-4,070.28-1,623.26

Finding the Fourth Proportional to 2,949.46, 4,070.28 and 1,623.26

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Solution

The fourth proportional to 2,949.46, 4,070.28 and 1,623.26 is: 2,240.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.46 : 4,070.28 = 1,623.26 : x
  2. Step 2: Convert to fraction form
    2,949.46/4,070.28 = 1,623.26/x
  3. Step 3: Cross multiply
    2,949.46x = 4,070.28 × 1,623.26
  4. Step 4: Simplify right side
    2,949.46x = 6,607,122.71
  5. Step 5: Solve for x
    x = 6,607,122.71/2,949.46
  6. Step 6: Final answer
    x = 2,240.11

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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.