Home / 5,299.81-7,316.10-4,040.95

Finding the Fourth Proportional to 5,299.81, 7,316.10 and 4,040.95

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Solution

The fourth proportional to 5,299.81, 7,316.10 and 4,040.95 is: 5,578.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.81 : 7,316.10 = 4,040.95 : x
  2. Step 2: Convert to fraction form
    5,299.81/7,316.10 = 4,040.95/x
  3. Step 3: Cross multiply
    5,299.81x = 7,316.10 × 4,040.95
  4. Step 4: Simplify right side
    5,299.81x = 29,563,994.30
  5. Step 5: Solve for x
    x = 29,563,994.30/5,299.81
  6. Step 6: Final answer
    x = 5,578.31

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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.