Home / 4,870.88-7,300.48-2,792.30

Finding the Fourth Proportional to 4,870.88, 7,300.48 and 2,792.30

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Solution

The fourth proportional to 4,870.88, 7,300.48 and 2,792.30 is: 4,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,870.88 : 7,300.48 = 2,792.30 : x
  2. Step 2: Convert to fraction form
    4,870.88/7,300.48 = 2,792.30/x
  3. Step 3: Cross multiply
    4,870.88x = 7,300.48 × 2,792.30
  4. Step 4: Simplify right side
    4,870.88x = 20,385,130.30
  5. Step 5: Solve for x
    x = 20,385,130.30/4,870.88
  6. Step 6: Final answer
    x = 4,185.10

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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.