Home / 7,312.26-10,090.92-3,955.07

Finding the Fourth Proportional to 7,312.26, 10,090.92 and 3,955.07

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Solution

The fourth proportional to 7,312.26, 10,090.92 and 3,955.07 is: 5,458.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312.26 : 10,090.92 = 3,955.07 : x
  2. Step 2: Convert to fraction form
    7,312.26/10,090.92 = 3,955.07/x
  3. Step 3: Cross multiply
    7,312.26x = 10,090.92 × 3,955.07
  4. Step 4: Simplify right side
    7,312.26x = 39,910,320.19
  5. Step 5: Solve for x
    x = 39,910,320.19/7,312.26
  6. Step 6: Final answer
    x = 5,458.00

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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.