Home / 3,106.24-4,657.47-2,133.70

Finding the Fourth Proportional to 3,106.24, 4,657.47 and 2,133.70

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Solution

The fourth proportional to 3,106.24, 4,657.47 and 2,133.70 is: 3,199.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.24 : 4,657.47 = 2,133.70 : x
  2. Step 2: Convert to fraction form
    3,106.24/4,657.47 = 2,133.70/x
  3. Step 3: Cross multiply
    3,106.24x = 4,657.47 × 2,133.70
  4. Step 4: Simplify right side
    3,106.24x = 9,937,643.74
  5. Step 5: Solve for x
    x = 9,937,643.74/3,106.24
  6. Step 6: Final answer
    x = 3,199.25

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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.