Home / 7,578.48-10,459.11-4,437.30

Finding the Fourth Proportional to 7,578.48, 10,459.11 and 4,437.30

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Solution

The fourth proportional to 7,578.48, 10,459.11 and 4,437.30 is: 6,123.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,578.48 : 10,459.11 = 4,437.30 : x
  2. Step 2: Convert to fraction form
    7,578.48/10,459.11 = 4,437.30/x
  3. Step 3: Cross multiply
    7,578.48x = 10,459.11 × 4,437.30
  4. Step 4: Simplify right side
    7,578.48x = 46,410,208.80
  5. Step 5: Solve for x
    x = 46,410,208.80/7,578.48
  6. Step 6: Final answer
    x = 6,123.95

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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.