Home / 5,570.64-7,701.48-4,170.96

Finding the Fourth Proportional to 5,570.64, 7,701.48 and 4,170.96

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Solution

The fourth proportional to 5,570.64, 7,701.48 and 4,170.96 is: 5,766.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,570.64 : 7,701.48 = 4,170.96 : x
  2. Step 2: Convert to fraction form
    5,570.64/7,701.48 = 4,170.96/x
  3. Step 3: Cross multiply
    5,570.64x = 7,701.48 × 4,170.96
  4. Step 4: Simplify right side
    5,570.64x = 32,122,565.02
  5. Step 5: Solve for x
    x = 32,122,565.02/5,570.64
  6. Step 6: Final answer
    x = 5,766.40

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Half scale
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Double scale
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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.