Home / 5,695.40-8,528.70-4,226.60

Finding the Fourth Proportional to 5,695.40, 8,528.70 and 4,226.60

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Solution

The fourth proportional to 5,695.40, 8,528.70 and 4,226.60 is: 6,329.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,695.40 : 8,528.70 = 4,226.60 : x
  2. Step 2: Convert to fraction form
    5,695.40/8,528.70 = 4,226.60/x
  3. Step 3: Cross multiply
    5,695.40x = 8,528.70 × 4,226.60
  4. Step 4: Simplify right side
    5,695.40x = 36,047,403.42
  5. Step 5: Solve for x
    x = 36,047,403.42/5,695.40
  6. Step 6: Final answer
    x = 6,329.21

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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.