Home / 4,472.10-6,707.94-2,130.40

Finding the Fourth Proportional to 4,472.10, 6,707.94 and 2,130.40

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Solution

The fourth proportional to 4,472.10, 6,707.94 and 2,130.40 is: 3,195.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,472.10 : 6,707.94 = 2,130.40 : x
  2. Step 2: Convert to fraction form
    4,472.10/6,707.94 = 2,130.40/x
  3. Step 3: Cross multiply
    4,472.10x = 6,707.94 × 2,130.40
  4. Step 4: Simplify right side
    4,472.10x = 14,290,595.38
  5. Step 5: Solve for x
    x = 14,290,595.38/4,472.10
  6. Step 6: Final answer
    x = 3,195.50

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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.