Home / 3,048.47-4,207.58-1,722.95

Finding the Fourth Proportional to 3,048.47, 4,207.58 and 1,722.95

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Solution

The fourth proportional to 3,048.47, 4,207.58 and 1,722.95 is: 2,378.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.47 : 4,207.58 = 1,722.95 : x
  2. Step 2: Convert to fraction form
    3,048.47/4,207.58 = 1,722.95/x
  3. Step 3: Cross multiply
    3,048.47x = 4,207.58 × 1,722.95
  4. Step 4: Simplify right side
    3,048.47x = 7,249,437.98
  5. Step 5: Solve for x
    x = 7,249,437.98/3,048.47
  6. Step 6: Final answer
    x = 2,378.06

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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.