Home / 7,371.16-10,159.50-5,453.08

Finding the Fourth Proportional to 7,371.16, 10,159.50 and 5,453.08

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Solution

The fourth proportional to 7,371.16, 10,159.50 and 5,453.08 is: 7,515.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.16 : 10,159.50 = 5,453.08 : x
  2. Step 2: Convert to fraction form
    7,371.16/10,159.50 = 5,453.08/x
  3. Step 3: Cross multiply
    7,371.16x = 10,159.50 × 5,453.08
  4. Step 4: Simplify right side
    7,371.16x = 55,400,566.26
  5. Step 5: Solve for x
    x = 55,400,566.26/7,371.16
  6. Step 6: Final answer
    x = 7,515.85

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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.