Home / 4,923.80-7,385.72-1,461.05

Finding the Fourth Proportional to 4,923.80, 7,385.72 and 1,461.05

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Solution

The fourth proportional to 4,923.80, 7,385.72 and 1,461.05 is: 2,191.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,923.80 : 7,385.72 = 1,461.05 : x
  2. Step 2: Convert to fraction form
    4,923.80/7,385.72 = 1,461.05/x
  3. Step 3: Cross multiply
    4,923.80x = 7,385.72 × 1,461.05
  4. Step 4: Simplify right side
    4,923.80x = 10,790,931.21
  5. Step 5: Solve for x
    x = 10,790,931.21/4,923.80
  6. Step 6: Final answer
    x = 2,191.58

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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.