Home / 3,528.18-5,280.81-2,603.36

Finding the Fourth Proportional to 3,528.18, 5,280.81 and 2,603.36

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Solution

The fourth proportional to 3,528.18, 5,280.81 and 2,603.36 is: 3,896.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.18 : 5,280.81 = 2,603.36 : x
  2. Step 2: Convert to fraction form
    3,528.18/5,280.81 = 2,603.36/x
  3. Step 3: Cross multiply
    3,528.18x = 5,280.81 × 2,603.36
  4. Step 4: Simplify right side
    3,528.18x = 13,747,823.12
  5. Step 5: Solve for x
    x = 13,747,823.12/3,528.18
  6. Step 6: Final answer
    x = 3,896.58

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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.