Home / 5,320.07-7,338.47-3,328.99

Finding the Fourth Proportional to 5,320.07, 7,338.47 and 3,328.99

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Solution

The fourth proportional to 5,320.07, 7,338.47 and 3,328.99 is: 4,591.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.07 : 7,338.47 = 3,328.99 : x
  2. Step 2: Convert to fraction form
    5,320.07/7,338.47 = 3,328.99/x
  3. Step 3: Cross multiply
    5,320.07x = 7,338.47 × 3,328.99
  4. Step 4: Simplify right side
    5,320.07x = 24,429,693.25
  5. Step 5: Solve for x
    x = 24,429,693.25/5,320.07
  6. Step 6: Final answer
    x = 4,591.99

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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.