Home / 6,718.40-10,079.42-4,782.92

Finding the Fourth Proportional to 6,718.40, 10,079.42 and 4,782.92

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Solution

The fourth proportional to 6,718.40, 10,079.42 and 4,782.92 is: 7,175.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,718.40 : 10,079.42 = 4,782.92 : x
  2. Step 2: Convert to fraction form
    6,718.40/10,079.42 = 4,782.92/x
  3. Step 3: Cross multiply
    6,718.40x = 10,079.42 × 4,782.92
  4. Step 4: Simplify right side
    6,718.40x = 48,209,059.51
  5. Step 5: Solve for x
    x = 48,209,059.51/6,718.40
  6. Step 6: Final answer
    x = 7,175.68

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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.