Home / 5,411.65-8,116.30-1,714.18

Finding the Fourth Proportional to 5,411.65, 8,116.30 and 1,714.18

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Solution

The fourth proportional to 5,411.65, 8,116.30 and 1,714.18 is: 2,570.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.65 : 8,116.30 = 1,714.18 : x
  2. Step 2: Convert to fraction form
    5,411.65/8,116.30 = 1,714.18/x
  3. Step 3: Cross multiply
    5,411.65x = 8,116.30 × 1,714.18
  4. Step 4: Simplify right side
    5,411.65x = 13,912,799.13
  5. Step 5: Solve for x
    x = 13,912,799.13/5,411.65
  6. Step 6: Final answer
    x = 2,570.90

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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.