Home / 7,007.02-9,669.56-3,820.36

Finding the Fourth Proportional to 7,007.02, 9,669.56 and 3,820.36

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Solution

The fourth proportional to 7,007.02, 9,669.56 and 3,820.36 is: 5,272.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,007.02 : 9,669.56 = 3,820.36 : x
  2. Step 2: Convert to fraction form
    7,007.02/9,669.56 = 3,820.36/x
  3. Step 3: Cross multiply
    7,007.02x = 9,669.56 × 3,820.36
  4. Step 4: Simplify right side
    7,007.02x = 36,941,200.24
  5. Step 5: Solve for x
    x = 36,941,200.24/7,007.02
  6. Step 6: Final answer
    x = 5,272.03

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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.