Home / 5,497.02-7,585.80-3,139.02

Finding the Fourth Proportional to 5,497.02, 7,585.80 and 3,139.02

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Solution

The fourth proportional to 5,497.02, 7,585.80 and 3,139.02 is: 4,331.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,497.02 : 7,585.80 = 3,139.02 : x
  2. Step 2: Convert to fraction form
    5,497.02/7,585.80 = 3,139.02/x
  3. Step 3: Cross multiply
    5,497.02x = 7,585.80 × 3,139.02
  4. Step 4: Simplify right side
    5,497.02x = 23,811,977.92
  5. Step 5: Solve for x
    x = 23,811,977.92/5,497.02
  6. Step 6: Final answer
    x = 4,331.80

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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.