Home / 5,271.49-7,276.06-3,280.91

Finding the Fourth Proportional to 5,271.49, 7,276.06 and 3,280.91

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Solution

The fourth proportional to 5,271.49, 7,276.06 and 3,280.91 is: 4,528.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.49 : 7,276.06 = 3,280.91 : x
  2. Step 2: Convert to fraction form
    5,271.49/7,276.06 = 3,280.91/x
  3. Step 3: Cross multiply
    5,271.49x = 7,276.06 × 3,280.91
  4. Step 4: Simplify right side
    5,271.49x = 23,872,098.01
  5. Step 5: Solve for x
    x = 23,872,098.01/5,271.49
  6. Step 6: Final answer
    x = 4,528.53

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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.