Home / 3,417.10-4,714.13-1,961.11

Finding the Fourth Proportional to 3,417.10, 4,714.13 and 1,961.11

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Solution

The fourth proportional to 3,417.10, 4,714.13 and 1,961.11 is: 2,705.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.10 : 4,714.13 = 1,961.11 : x
  2. Step 2: Convert to fraction form
    3,417.10/4,714.13 = 1,961.11/x
  3. Step 3: Cross multiply
    3,417.10x = 4,714.13 × 1,961.11
  4. Step 4: Simplify right side
    3,417.10x = 9,244,927.48
  5. Step 5: Solve for x
    x = 9,244,927.48/3,417.10
  6. Step 6: Final answer
    x = 2,705.49

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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.