Home / 7,373.78-11,060.27-2,990.06

Finding the Fourth Proportional to 7,373.78, 11,060.27 and 2,990.06

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Solution

The fourth proportional to 7,373.78, 11,060.27 and 2,990.06 is: 4,484.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,373.78 : 11,060.27 = 2,990.06 : x
  2. Step 2: Convert to fraction form
    7,373.78/11,060.27 = 2,990.06/x
  3. Step 3: Cross multiply
    7,373.78x = 11,060.27 × 2,990.06
  4. Step 4: Simplify right side
    7,373.78x = 33,070,870.92
  5. Step 5: Solve for x
    x = 33,070,870.92/7,373.78
  6. Step 6: Final answer
    x = 4,484.93

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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.