Home / 6,157.20-9,235.80-5,646.90

Finding the Fourth Proportional to 6,157.20, 9,235.80 and 5,646.90

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Solution

The fourth proportional to 6,157.20, 9,235.80 and 5,646.90 is: 8,470.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,157.20 : 9,235.80 = 5,646.90 : x
  2. Step 2: Convert to fraction form
    6,157.20/9,235.80 = 5,646.90/x
  3. Step 3: Cross multiply
    6,157.20x = 9,235.80 × 5,646.90
  4. Step 4: Simplify right side
    6,157.20x = 52,153,639.02
  5. Step 5: Solve for x
    x = 52,153,639.02/6,157.20
  6. Step 6: Final answer
    x = 8,470.35

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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.