Home / 5,407.10-7,461.80-2,923.10

Finding the Fourth Proportional to 5,407.10, 7,461.80 and 2,923.10

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Solution

The fourth proportional to 5,407.10, 7,461.80 and 2,923.10 is: 4,033.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.10 : 7,461.80 = 2,923.10 : x
  2. Step 2: Convert to fraction form
    5,407.10/7,461.80 = 2,923.10/x
  3. Step 3: Cross multiply
    5,407.10x = 7,461.80 × 2,923.10
  4. Step 4: Simplify right side
    5,407.10x = 21,811,587.58
  5. Step 5: Solve for x
    x = 21,811,587.58/5,407.10
  6. Step 6: Final answer
    x = 4,033.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.