Home / 3,048.50-4,203.84-2,487.17

Finding the Fourth Proportional to 3,048.50, 4,203.84 and 2,487.17

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Solution

The fourth proportional to 3,048.50, 4,203.84 and 2,487.17 is: 3,429.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.50 : 4,203.84 = 2,487.17 : x
  2. Step 2: Convert to fraction form
    3,048.50/4,203.84 = 2,487.17/x
  3. Step 3: Cross multiply
    3,048.50x = 4,203.84 × 2,487.17
  4. Step 4: Simplify right side
    3,048.50x = 10,455,643.71
  5. Step 5: Solve for x
    x = 10,455,643.71/3,048.50
  6. Step 6: Final answer
    x = 3,429.77

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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.