Home / 4,622.16-6,931.08-1,542

Finding the Fourth Proportional to 4,622.16, 6,931.08 and 1,542

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Solution

The fourth proportional to 4,622.16, 6,931.08 and 1,542 is: 2,312.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,622.16 : 6,931.08 = 1,542 : x
  2. Step 2: Convert to fraction form
    4,622.16/6,931.08 = 1,542/x
  3. Step 3: Cross multiply
    4,622.16x = 6,931.08 × 1,542
  4. Step 4: Simplify right side
    4,622.16x = 10,687,725.36
  5. Step 5: Solve for x
    x = 10,687,725.36/4,622.16
  6. Step 6: Final answer
    x = 2,312.28

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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.