Home / 6,373.20-9,561.36-2,478.72

Finding the Fourth Proportional to 6,373.20, 9,561.36 and 2,478.72

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Solution

The fourth proportional to 6,373.20, 9,561.36 and 2,478.72 is: 3,718.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,373.20 : 9,561.36 = 2,478.72 : x
  2. Step 2: Convert to fraction form
    6,373.20/9,561.36 = 2,478.72/x
  3. Step 3: Cross multiply
    6,373.20x = 9,561.36 × 2,478.72
  4. Step 4: Simplify right side
    6,373.20x = 23,699,934.26
  5. Step 5: Solve for x
    x = 23,699,934.26/6,373.20
  6. Step 6: Final answer
    x = 3,718.69

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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.