Home / 7,395.85-10,205.87-4,038.00

Finding the Fourth Proportional to 7,395.85, 10,205.87 and 4,038.00

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Solution

The fourth proportional to 7,395.85, 10,205.87 and 4,038.00 is: 5,572.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,395.85 : 10,205.87 = 4,038.00 : x
  2. Step 2: Convert to fraction form
    7,395.85/10,205.87 = 4,038.00/x
  3. Step 3: Cross multiply
    7,395.85x = 10,205.87 × 4,038.00
  4. Step 4: Simplify right side
    7,395.85x = 41,211,244.60
  5. Step 5: Solve for x
    x = 41,211,244.60/7,395.85
  6. Step 6: Final answer
    x = 5,572.21

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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.