Home / 5,705.04-8,557.56-1,809.75

Finding the Fourth Proportional to 5,705.04, 8,557.56 and 1,809.75

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Solution

The fourth proportional to 5,705.04, 8,557.56 and 1,809.75 is: 2,714.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,705.04 : 8,557.56 = 1,809.75 : x
  2. Step 2: Convert to fraction form
    5,705.04/8,557.56 = 1,809.75/x
  3. Step 3: Cross multiply
    5,705.04x = 8,557.56 × 1,809.75
  4. Step 4: Simplify right side
    5,705.04x = 15,487,044.21
  5. Step 5: Solve for x
    x = 15,487,044.21/5,705.04
  6. Step 6: Final answer
    x = 2,714.63

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Double scale
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Similar ratio
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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.