Home / 1,240.32-1,847.76-1,184.16

Finding the Fourth Proportional to 1,240.32, 1,847.76 and 1,184.16

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Solution

The fourth proportional to 1,240.32, 1,847.76 and 1,184.16 is: 1,764.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240.32 : 1,847.76 = 1,184.16 : x
  2. Step 2: Convert to fraction form
    1,240.32/1,847.76 = 1,184.16/x
  3. Step 3: Cross multiply
    1,240.32x = 1,847.76 × 1,184.16
  4. Step 4: Simplify right side
    1,240.32x = 2,188,043.48
  5. Step 5: Solve for x
    x = 2,188,043.48/1,240.32
  6. Step 6: Final answer
    x = 1,764.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.