Home / 5,275.85-7,281.57-3,039.02

Finding the Fourth Proportional to 5,275.85, 7,281.57 and 3,039.02

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Solution

The fourth proportional to 5,275.85, 7,281.57 and 3,039.02 is: 4,194.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275.85 : 7,281.57 = 3,039.02 : x
  2. Step 2: Convert to fraction form
    5,275.85/7,281.57 = 3,039.02/x
  3. Step 3: Cross multiply
    5,275.85x = 7,281.57 × 3,039.02
  4. Step 4: Simplify right side
    5,275.85x = 22,128,836.86
  5. Step 5: Solve for x
    x = 22,128,836.86/5,275.85
  6. Step 6: Final answer
    x = 4,194.36

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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.