Home / 5,643.20-8,464.80-5,594.60

Finding the Fourth Proportional to 5,643.20, 8,464.80 and 5,594.60

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Solution

The fourth proportional to 5,643.20, 8,464.80 and 5,594.60 is: 8,391.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,643.20 : 8,464.80 = 5,594.60 : x
  2. Step 2: Convert to fraction form
    5,643.20/8,464.80 = 5,594.60/x
  3. Step 3: Cross multiply
    5,643.20x = 8,464.80 × 5,594.60
  4. Step 4: Simplify right side
    5,643.20x = 47,357,170.08
  5. Step 5: Solve for x
    x = 47,357,170.08/5,643.20
  6. Step 6: Final answer
    x = 8,391.90

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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.