Home / 4,875.44-7,316.16-2,278.64

Finding the Fourth Proportional to 4,875.44, 7,316.16 and 2,278.64

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Solution

The fourth proportional to 4,875.44, 7,316.16 and 2,278.64 is: 3,419.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,875.44 : 7,316.16 = 2,278.64 : x
  2. Step 2: Convert to fraction form
    4,875.44/7,316.16 = 2,278.64/x
  3. Step 3: Cross multiply
    4,875.44x = 7,316.16 × 2,278.64
  4. Step 4: Simplify right side
    4,875.44x = 16,670,894.82
  5. Step 5: Solve for x
    x = 16,670,894.82/4,875.44
  6. Step 6: Final answer
    x = 3,419.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.