Home / 7,395.51-10,205.72-4,038.31

Finding the Fourth Proportional to 7,395.51, 10,205.72 and 4,038.31

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Solution

The fourth proportional to 7,395.51, 10,205.72 and 4,038.31 is: 5,572.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,395.51 : 10,205.72 = 4,038.31 : x
  2. Step 2: Convert to fraction form
    7,395.51/10,205.72 = 4,038.31/x
  3. Step 3: Cross multiply
    7,395.51x = 10,205.72 × 4,038.31
  4. Step 4: Simplify right side
    7,395.51x = 41,213,861.13
  5. Step 5: Solve for x
    x = 41,213,861.13/7,395.51
  6. Step 6: Final answer
    x = 5,572.82

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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.