Home / 6,240.56-9,357.74-2,079.12

Finding the Fourth Proportional to 6,240.56, 9,357.74 and 2,079.12

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Solution

The fourth proportional to 6,240.56, 9,357.74 and 2,079.12 is: 3,117.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240.56 : 9,357.74 = 2,079.12 : x
  2. Step 2: Convert to fraction form
    6,240.56/9,357.74 = 2,079.12/x
  3. Step 3: Cross multiply
    6,240.56x = 9,357.74 × 2,079.12
  4. Step 4: Simplify right side
    6,240.56x = 19,455,864.39
  5. Step 5: Solve for x
    x = 19,455,864.39/6,240.56
  6. Step 6: Final answer
    x = 3,117.65

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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.