Home / 5,040.81-6,955.65-2,802.23

Finding the Fourth Proportional to 5,040.81, 6,955.65 and 2,802.23

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Solution

The fourth proportional to 5,040.81, 6,955.65 and 2,802.23 is: 3,866.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040.81 : 6,955.65 = 2,802.23 : x
  2. Step 2: Convert to fraction form
    5,040.81/6,955.65 = 2,802.23/x
  3. Step 3: Cross multiply
    5,040.81x = 6,955.65 × 2,802.23
  4. Step 4: Simplify right side
    5,040.81x = 19,491,365.47
  5. Step 5: Solve for x
    x = 19,491,365.47/5,040.81
  6. Step 6: Final answer
    x = 3,866.72

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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.