Home / 5,307.53-7,331.27-4,040.87

Finding the Fourth Proportional to 5,307.53, 7,331.27 and 4,040.87

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Solution

The fourth proportional to 5,307.53, 7,331.27 and 4,040.87 is: 5,581.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.53 : 7,331.27 = 4,040.87 : x
  2. Step 2: Convert to fraction form
    5,307.53/7,331.27 = 4,040.87/x
  3. Step 3: Cross multiply
    5,307.53x = 7,331.27 × 4,040.87
  4. Step 4: Simplify right side
    5,307.53x = 29,624,652.14
  5. Step 5: Solve for x
    x = 29,624,652.14/5,307.53
  6. Step 6: Final answer
    x = 5,581.63

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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.