Home / 5,445.72-8,168.58-4,357.01

Finding the Fourth Proportional to 5,445.72, 8,168.58 and 4,357.01

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Solution

The fourth proportional to 5,445.72, 8,168.58 and 4,357.01 is: 6,535.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.72 : 8,168.58 = 4,357.01 : x
  2. Step 2: Convert to fraction form
    5,445.72/8,168.58 = 4,357.01/x
  3. Step 3: Cross multiply
    5,445.72x = 8,168.58 × 4,357.01
  4. Step 4: Simplify right side
    5,445.72x = 35,590,543.90
  5. Step 5: Solve for x
    x = 35,590,543.90/5,445.72
  6. Step 6: Final answer
    x = 6,535.51

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Half scale
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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.