Home / 6,622.02-9,139.19-3,827.52

Finding the Fourth Proportional to 6,622.02, 9,139.19 and 3,827.52

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Solution

The fourth proportional to 6,622.02, 9,139.19 and 3,827.52 is: 5,282.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,622.02 : 9,139.19 = 3,827.52 : x
  2. Step 2: Convert to fraction form
    6,622.02/9,139.19 = 3,827.52/x
  3. Step 3: Cross multiply
    6,622.02x = 9,139.19 × 3,827.52
  4. Step 4: Simplify right side
    6,622.02x = 34,980,432.51
  5. Step 5: Solve for x
    x = 34,980,432.51/6,622.02
  6. Step 6: Final answer
    x = 5,282.44

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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.