Home / 5,320.28-8,020.25-4,963.48

Finding the Fourth Proportional to 5,320.28, 8,020.25 and 4,963.48

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Solution

The fourth proportional to 5,320.28, 8,020.25 and 4,963.48 is: 7,482.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.28 : 8,020.25 = 4,963.48 : x
  2. Step 2: Convert to fraction form
    5,320.28/8,020.25 = 4,963.48/x
  3. Step 3: Cross multiply
    5,320.28x = 8,020.25 × 4,963.48
  4. Step 4: Simplify right side
    5,320.28x = 39,808,350.47
  5. Step 5: Solve for x
    x = 39,808,350.47/5,320.28
  6. Step 6: Final answer
    x = 7,482.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.