Home / 5,040.08-6,955.32-2,801.90

Finding the Fourth Proportional to 5,040.08, 6,955.32 and 2,801.90

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Solution

The fourth proportional to 5,040.08, 6,955.32 and 2,801.90 is: 3,866.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040.08 : 6,955.32 = 2,801.90 : x
  2. Step 2: Convert to fraction form
    5,040.08/6,955.32 = 2,801.90/x
  3. Step 3: Cross multiply
    5,040.08x = 6,955.32 × 2,801.90
  4. Step 4: Simplify right side
    5,040.08x = 19,488,111.11
  5. Step 5: Solve for x
    x = 19,488,111.11/5,040.08
  6. Step 6: Final answer
    x = 3,866.63

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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.