Home / 4,280.09-5,909.22-3,283.45

Finding the Fourth Proportional to 4,280.09, 5,909.22 and 3,283.45

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Solution

The fourth proportional to 4,280.09, 5,909.22 and 3,283.45 is: 4,533.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280.09 : 5,909.22 = 3,283.45 : x
  2. Step 2: Convert to fraction form
    4,280.09/5,909.22 = 3,283.45/x
  3. Step 3: Cross multiply
    4,280.09x = 5,909.22 × 3,283.45
  4. Step 4: Simplify right side
    4,280.09x = 19,402,613.64
  5. Step 5: Solve for x
    x = 19,402,613.64/4,280.09
  6. Step 6: Final answer
    x = 4,533.23

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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.