Home / 4,068.81-5,616.11-2,390.28

Finding the Fourth Proportional to 4,068.81, 5,616.11 and 2,390.28

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Solution

The fourth proportional to 4,068.81, 5,616.11 and 2,390.28 is: 3,299.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,068.81 : 5,616.11 = 2,390.28 : x
  2. Step 2: Convert to fraction form
    4,068.81/5,616.11 = 2,390.28/x
  3. Step 3: Cross multiply
    4,068.81x = 5,616.11 × 2,390.28
  4. Step 4: Simplify right side
    4,068.81x = 13,424,075.41
  5. Step 5: Solve for x
    x = 13,424,075.41/4,068.81
  6. Step 6: Final answer
    x = 3,299.26

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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.