Home / 2,916.90-4,373.72-2,571.04

Finding the Fourth Proportional to 2,916.90, 4,373.72 and 2,571.04

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Solution

The fourth proportional to 2,916.90, 4,373.72 and 2,571.04 is: 3,855.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.90 : 4,373.72 = 2,571.04 : x
  2. Step 2: Convert to fraction form
    2,916.90/4,373.72 = 2,571.04/x
  3. Step 3: Cross multiply
    2,916.90x = 4,373.72 × 2,571.04
  4. Step 4: Simplify right side
    2,916.90x = 11,245,009.07
  5. Step 5: Solve for x
    x = 11,245,009.07/2,916.90
  6. Step 6: Final answer
    x = 3,855.12

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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.