Home / 4,200.24-5,798.80-2,784.32

Finding the Fourth Proportional to 4,200.24, 5,798.80 and 2,784.32

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Solution

The fourth proportional to 4,200.24, 5,798.80 and 2,784.32 is: 3,844.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.24 : 5,798.80 = 2,784.32 : x
  2. Step 2: Convert to fraction form
    4,200.24/5,798.80 = 2,784.32/x
  3. Step 3: Cross multiply
    4,200.24x = 5,798.80 × 2,784.32
  4. Step 4: Simplify right side
    4,200.24x = 16,145,714.82
  5. Step 5: Solve for x
    x = 16,145,714.82/4,200.24
  6. Step 6: Final answer
    x = 3,844.00

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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.