Home / 7,395.28-10,205.34-4,038.08

Finding the Fourth Proportional to 7,395.28, 10,205.34 and 4,038.08

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Solution

The fourth proportional to 7,395.28, 10,205.34 and 4,038.08 is: 5,572.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,395.28 : 10,205.34 = 4,038.08 : x
  2. Step 2: Convert to fraction form
    7,395.28/10,205.34 = 4,038.08/x
  3. Step 3: Cross multiply
    7,395.28x = 10,205.34 × 4,038.08
  4. Step 4: Simplify right side
    7,395.28x = 41,209,979.35
  5. Step 5: Solve for x
    x = 41,209,979.35/7,395.28
  6. Step 6: Final answer
    x = 5,572.47

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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.