Home / 2,360.18-3,540.78-716.90

Finding the Fourth Proportional to 2,360.18, 3,540.78 and 716.90

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Solution

The fourth proportional to 2,360.18, 3,540.78 and 716.90 is: 1,075.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,360.18 : 3,540.78 = 716.90 : x
  2. Step 2: Convert to fraction form
    2,360.18/3,540.78 = 716.90/x
  3. Step 3: Cross multiply
    2,360.18x = 3,540.78 × 716.90
  4. Step 4: Simplify right side
    2,360.18x = 2,538,385.18
  5. Step 5: Solve for x
    x = 2,538,385.18/2,360.18
  6. Step 6: Final answer
    x = 1,075.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.