Home / 4,830.75-6,666.84-3,061.71

Finding the Fourth Proportional to 4,830.75, 6,666.84 and 3,061.71

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Solution

The fourth proportional to 4,830.75, 6,666.84 and 3,061.71 is: 4,225.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,830.75 : 6,666.84 = 3,061.71 : x
  2. Step 2: Convert to fraction form
    4,830.75/6,666.84 = 3,061.71/x
  3. Step 3: Cross multiply
    4,830.75x = 6,666.84 × 3,061.71
  4. Step 4: Simplify right side
    4,830.75x = 20,411,930.70
  5. Step 5: Solve for x
    x = 20,411,930.70/4,830.75
  6. Step 6: Final answer
    x = 4,225.42

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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.