Home / 6,140.07-8,473.29-3,345.57

Finding the Fourth Proportional to 6,140.07, 8,473.29 and 3,345.57

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Solution

The fourth proportional to 6,140.07, 8,473.29 and 3,345.57 is: 4,616.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.07 : 8,473.29 = 3,345.57 : x
  2. Step 2: Convert to fraction form
    6,140.07/8,473.29 = 3,345.57/x
  3. Step 3: Cross multiply
    6,140.07x = 8,473.29 × 3,345.57
  4. Step 4: Simplify right side
    6,140.07x = 28,347,984.83
  5. Step 5: Solve for x
    x = 28,347,984.83/6,140.07
  6. Step 6: Final answer
    x = 4,616.88

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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.