Home / 5,920.02-8,164.65-4,431.45

Finding the Fourth Proportional to 5,920.02, 8,164.65 and 4,431.45

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Solution

The fourth proportional to 5,920.02, 8,164.65 and 4,431.45 is: 6,111.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.02 : 8,164.65 = 4,431.45 : x
  2. Step 2: Convert to fraction form
    5,920.02/8,164.65 = 4,431.45/x
  3. Step 3: Cross multiply
    5,920.02x = 8,164.65 × 4,431.45
  4. Step 4: Simplify right side
    5,920.02x = 36,181,238.24
  5. Step 5: Solve for x
    x = 36,181,238.24/5,920.02
  6. Step 6: Final answer
    x = 6,111.68

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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.