Home / 6,140.32-8,473.64-3,345.82

Finding the Fourth Proportional to 6,140.32, 8,473.64 and 3,345.82

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Solution

The fourth proportional to 6,140.32, 8,473.64 and 3,345.82 is: 4,617.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.32 : 8,473.64 = 3,345.82 : x
  2. Step 2: Convert to fraction form
    6,140.32/8,473.64 = 3,345.82/x
  3. Step 3: Cross multiply
    6,140.32x = 8,473.64 × 3,345.82
  4. Step 4: Simplify right side
    6,140.32x = 28,351,302.76
  5. Step 5: Solve for x
    x = 28,351,302.76/6,140.32
  6. Step 6: Final answer
    x = 4,617.23

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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.