Home / 7,395.57-10,205.89-4,038.40

Finding the Fourth Proportional to 7,395.57, 10,205.89 and 4,038.40

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Solution

The fourth proportional to 7,395.57, 10,205.89 and 4,038.40 is: 5,572.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,395.57 : 10,205.89 = 4,038.40 : x
  2. Step 2: Convert to fraction form
    7,395.57/10,205.89 = 4,038.40/x
  3. Step 3: Cross multiply
    7,395.57x = 10,205.89 × 4,038.40
  4. Step 4: Simplify right side
    7,395.57x = 41,215,456.08
  5. Step 5: Solve for x
    x = 41,215,456.08/7,395.57
  6. Step 6: Final answer
    x = 5,572.99

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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.