Home / 2,365.18-3,263.90-1,317.22

Finding the Fourth Proportional to 2,365.18, 3,263.90 and 1,317.22

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Solution

The fourth proportional to 2,365.18, 3,263.90 and 1,317.22 is: 1,817.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,365.18 : 3,263.90 = 1,317.22 : x
  2. Step 2: Convert to fraction form
    2,365.18/3,263.90 = 1,317.22/x
  3. Step 3: Cross multiply
    2,365.18x = 3,263.90 × 1,317.22
  4. Step 4: Simplify right side
    2,365.18x = 4,299,274.36
  5. Step 5: Solve for x
    x = 4,299,274.36/2,365.18
  6. Step 6: Final answer
    x = 1,817.74

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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.