Home / 7,431.40-11,148.72-3,050.92

Finding the Fourth Proportional to 7,431.40, 11,148.72 and 3,050.92

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Solution

The fourth proportional to 7,431.40, 11,148.72 and 3,050.92 is: 4,577.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.40 : 11,148.72 = 3,050.92 : x
  2. Step 2: Convert to fraction form
    7,431.40/11,148.72 = 3,050.92/x
  3. Step 3: Cross multiply
    7,431.40x = 11,148.72 × 3,050.92
  4. Step 4: Simplify right side
    7,431.40x = 34,013,852.82
  5. Step 5: Solve for x
    x = 34,013,852.82/7,431.40
  6. Step 6: Final answer
    x = 4,577.05

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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.