Home / 4,472.40-6,700.98-2,910.02

Finding the Fourth Proportional to 4,472.40, 6,700.98 and 2,910.02

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Solution

The fourth proportional to 4,472.40, 6,700.98 and 2,910.02 is: 4,360.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,472.40 : 6,700.98 = 2,910.02 : x
  2. Step 2: Convert to fraction form
    4,472.40/6,700.98 = 2,910.02/x
  3. Step 3: Cross multiply
    4,472.40x = 6,700.98 × 2,910.02
  4. Step 4: Simplify right side
    4,472.40x = 19,499,985.82
  5. Step 5: Solve for x
    x = 19,499,985.82/4,472.40
  6. Step 6: Final answer
    x = 4,360.07

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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.