Home / 3,117.36-4,657.79-3,008.36

Finding the Fourth Proportional to 3,117.36, 4,657.79 and 3,008.36

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Solution

The fourth proportional to 3,117.36, 4,657.79 and 3,008.36 is: 4,494.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.36 : 4,657.79 = 3,008.36 : x
  2. Step 2: Convert to fraction form
    3,117.36/4,657.79 = 3,008.36/x
  3. Step 3: Cross multiply
    3,117.36x = 4,657.79 × 3,008.36
  4. Step 4: Simplify right side
    3,117.36x = 14,012,309.12
  5. Step 5: Solve for x
    x = 14,012,309.12/3,117.36
  6. Step 6: Final answer
    x = 4,494.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.