Home / 5,040.60-6,955.80-2,802.60

Finding the Fourth Proportional to 5,040.60, 6,955.80 and 2,802.60

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Solution

The fourth proportional to 5,040.60, 6,955.80 and 2,802.60 is: 3,867.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040.60 : 6,955.80 = 2,802.60 : x
  2. Step 2: Convert to fraction form
    5,040.60/6,955.80 = 2,802.60/x
  3. Step 3: Cross multiply
    5,040.60x = 6,955.80 × 2,802.60
  4. Step 4: Simplify right side
    5,040.60x = 19,494,325.08
  5. Step 5: Solve for x
    x = 19,494,325.08/5,040.60
  6. Step 6: Final answer
    x = 3,867.46

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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.