Home / 4,720.65-6,510.78-3,042.24

Finding the Fourth Proportional to 4,720.65, 6,510.78 and 3,042.24

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Solution

The fourth proportional to 4,720.65, 6,510.78 and 3,042.24 is: 4,195.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.65 : 6,510.78 = 3,042.24 : x
  2. Step 2: Convert to fraction form
    4,720.65/6,510.78 = 3,042.24/x
  3. Step 3: Cross multiply
    4,720.65x = 6,510.78 × 3,042.24
  4. Step 4: Simplify right side
    4,720.65x = 19,807,355.35
  5. Step 5: Solve for x
    x = 19,807,355.35/4,720.65
  6. Step 6: Final answer
    x = 4,195.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.