Home / 5,385.64-7,434.46-5,049.36

Finding the Fourth Proportional to 5,385.64, 7,434.46 and 5,049.36

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Solution

The fourth proportional to 5,385.64, 7,434.46 and 5,049.36 is: 6,970.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.64 : 7,434.46 = 5,049.36 : x
  2. Step 2: Convert to fraction form
    5,385.64/7,434.46 = 5,049.36/x
  3. Step 3: Cross multiply
    5,385.64x = 7,434.46 × 5,049.36
  4. Step 4: Simplify right side
    5,385.64x = 37,539,264.95
  5. Step 5: Solve for x
    x = 37,539,264.95/5,385.64
  6. Step 6: Final answer
    x = 6,970.25

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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.