Home / 4,874.65-7,312.20-2,378.14

Finding the Fourth Proportional to 4,874.65, 7,312.20 and 2,378.14

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Solution

The fourth proportional to 4,874.65, 7,312.20 and 2,378.14 is: 3,567.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874.65 : 7,312.20 = 2,378.14 : x
  2. Step 2: Convert to fraction form
    4,874.65/7,312.20 = 2,378.14/x
  3. Step 3: Cross multiply
    4,874.65x = 7,312.20 × 2,378.14
  4. Step 4: Simplify right side
    4,874.65x = 17,389,398.75
  5. Step 5: Solve for x
    x = 17,389,398.75/4,874.65
  6. Step 6: Final answer
    x = 3,567.31

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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.