Home / 2,920.19-4,030.02-2,723.36

Finding the Fourth Proportional to 2,920.19, 4,030.02 and 2,723.36

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Solution

The fourth proportional to 2,920.19, 4,030.02 and 2,723.36 is: 3,758.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.19 : 4,030.02 = 2,723.36 : x
  2. Step 2: Convert to fraction form
    2,920.19/4,030.02 = 2,723.36/x
  3. Step 3: Cross multiply
    2,920.19x = 4,030.02 × 2,723.36
  4. Step 4: Simplify right side
    2,920.19x = 10,975,175.12
  5. Step 5: Solve for x
    x = 10,975,175.12/2,920.19
  6. Step 6: Final answer
    x = 3,758.38

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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.