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Finding the Fourth Proportional to 3,710.60, 5,565.90 and 2,328.20

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Solution

The fourth proportional to 3,710.60, 5,565.90 and 2,328.20 is: 3,492.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710.60 : 5,565.90 = 2,328.20 : x
  2. Step 2: Convert to fraction form
    3,710.60/5,565.90 = 2,328.20/x
  3. Step 3: Cross multiply
    3,710.60x = 5,565.90 × 2,328.20
  4. Step 4: Simplify right side
    3,710.60x = 12,958,528.38
  5. Step 5: Solve for x
    x = 12,958,528.38/3,710.60
  6. Step 6: Final answer
    x = 3,492.30

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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.