Home / 4,903.75-6,767.15-2,665.63

Finding the Fourth Proportional to 4,903.75, 6,767.15 and 2,665.63

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Solution

The fourth proportional to 4,903.75, 6,767.15 and 2,665.63 is: 3,678.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,903.75 : 6,767.15 = 2,665.63 : x
  2. Step 2: Convert to fraction form
    4,903.75/6,767.15 = 2,665.63/x
  3. Step 3: Cross multiply
    4,903.75x = 6,767.15 × 2,665.63
  4. Step 4: Simplify right side
    4,903.75x = 18,038,687.81
  5. Step 5: Solve for x
    x = 18,038,687.81/4,903.75
  6. Step 6: Final answer
    x = 3,678.55

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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.