Home / 5,623.72-8,410.70-5,107

Finding the Fourth Proportional to 5,623.72, 8,410.70 and 5,107

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Solution

The fourth proportional to 5,623.72, 8,410.70 and 5,107 is: 7,637.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623.72 : 8,410.70 = 5,107 : x
  2. Step 2: Convert to fraction form
    5,623.72/8,410.70 = 5,107/x
  3. Step 3: Cross multiply
    5,623.72x = 8,410.70 × 5,107
  4. Step 4: Simplify right side
    5,623.72x = 42,953,444.90
  5. Step 5: Solve for x
    x = 42,953,444.90/5,623.72
  6. Step 6: Final answer
    x = 7,637.91

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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.