Home / 2,988.24-4,124.16-2,045.00

Finding the Fourth Proportional to 2,988.24, 4,124.16 and 2,045.00

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Solution

The fourth proportional to 2,988.24, 4,124.16 and 2,045.00 is: 2,822.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.24 : 4,124.16 = 2,045.00 : x
  2. Step 2: Convert to fraction form
    2,988.24/4,124.16 = 2,045.00/x
  3. Step 3: Cross multiply
    2,988.24x = 4,124.16 × 2,045.00
  4. Step 4: Simplify right side
    2,988.24x = 8,433,886.58
  5. Step 5: Solve for x
    x = 8,433,886.58/2,988.24
  6. Step 6: Final answer
    x = 2,822.36

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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.