Home / 6,477.79-9,716.45-2,095.13

Finding the Fourth Proportional to 6,477.79, 9,716.45 and 2,095.13

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Solution

The fourth proportional to 6,477.79, 9,716.45 and 2,095.13 is: 3,142.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,477.79 : 9,716.45 = 2,095.13 : x
  2. Step 2: Convert to fraction form
    6,477.79/9,716.45 = 2,095.13/x
  3. Step 3: Cross multiply
    6,477.79x = 9,716.45 × 2,095.13
  4. Step 4: Simplify right side
    6,477.79x = 20,357,166.83
  5. Step 5: Solve for x
    x = 20,357,166.83/6,477.79
  6. Step 6: Final answer
    x = 3,142.61

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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.