Home / 5,301.58-7,315.02-3,205.66

Finding the Fourth Proportional to 5,301.58, 7,315.02 and 3,205.66

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Solution

The fourth proportional to 5,301.58, 7,315.02 and 3,205.66 is: 4,423.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,301.58 : 7,315.02 = 3,205.66 : x
  2. Step 2: Convert to fraction form
    5,301.58/7,315.02 = 3,205.66/x
  3. Step 3: Cross multiply
    5,301.58x = 7,315.02 × 3,205.66
  4. Step 4: Simplify right side
    5,301.58x = 23,449,467.01
  5. Step 5: Solve for x
    x = 23,449,467.01/5,301.58
  6. Step 6: Final answer
    x = 4,423.11

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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.