Home / 2,937.51-4,053.77-1,611.21

Finding the Fourth Proportional to 2,937.51, 4,053.77 and 1,611.21

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Solution

The fourth proportional to 2,937.51, 4,053.77 and 1,611.21 is: 2,223.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,937.51 : 4,053.77 = 1,611.21 : x
  2. Step 2: Convert to fraction form
    2,937.51/4,053.77 = 1,611.21/x
  3. Step 3: Cross multiply
    2,937.51x = 4,053.77 × 1,611.21
  4. Step 4: Simplify right side
    2,937.51x = 6,531,466.71
  5. Step 5: Solve for x
    x = 6,531,466.71/2,937.51
  6. Step 6: Final answer
    x = 2,223.47

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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.